2575 lines
87 KiB
HTML
2575 lines
87 KiB
HTML
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<!DOCTYPE html>
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<html lang="en" >
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<head >
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<meta charset="UTF-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="HandheldFriendly" content="True" />
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<meta name="MobileOptimized" content="320" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<link rel="stylesheet" href="/static/assets/style-b3a36f11.css" />
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<script type="module" crossorigin="" src="/static/assets/base_style-d4f8bd56.js"></script>
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<link rel="stylesheet" href="/static/assets/style-ab32fec8.css" />
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<script type="module" crossorigin="" src="/static/assets/docs_style-1bb066c2.js"></script>
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<link rel="apple-touch-icon"
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sizes="180x180"
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href="/static/img/favicons/apple-touch-icon.png" />
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<link rel="icon"
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type="image/png"
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sizes="48x48"
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href="/static/img/favicons/favicon-48x48.png" />
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<link rel="icon"
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type="image/png"
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sizes="32x32"
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href="/static/img/favicons/favicon-32x32.png" />
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<link rel="icon"
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type="image/png"
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sizes="16x16"
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href="/static/img/favicons/favicon-16x16.png" />
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<link rel="manifest" href="/static/img/favicons/site.webmanifest" />
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<link rel="mask-icon"
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href="/static/img/favicons/safari-pinned-tab.svg"
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color="#0071bc" />
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<meta name="msapplication-config"
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content="/static/img/favicons/browserconfig.xml" />
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<meta name="theme-color" content="#ffffff" />
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<title>
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Image Quality Specifications - PMC
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</title>
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<!-- Logging params: Pinger defaults -->
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<meta name="ncbi_app" content="cloudpmc-viewer" />
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<meta name="ncbi_db" content="pmc" />
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<meta name="ncbi_phid" content="5E426B4E7C802A431A6B4E00304F86AD.m_3" />
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<!-- Logging params: Pinger custom -->
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<meta name="ncbi_pdid" content="docs_pub" />
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<meta name="ncbi_op" content="page_view" />
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<meta name="ncbi_pcid" content="/pub/filespec-images/" />
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<link rel="preconnect" href="https://www.google-analytics.com" />
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<link rel="preconnect" href="https://cdn.ncbi.nlm.nih.gov" />
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<!-- Include USWDS Init Script -->
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<script src="/static/assets/uswds-init.js"></script>
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<meta name="svn-date" content="$Date: 2022-07-05 15:29:41 -0400 (Tues., 05 Jul 2022) $"/>
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<link rel="stylesheet" type="text/css" href="https://cdn.ncbi.nlm.nih.gov/pmc/cms/css/about.css"/>
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<meta name="robots" content="INDEX,FOLLOW,NOARCHIVE">
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<meta name="og:title" content="PubMed Central: Image Quality Specifications">
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<meta name="og:type" content="website">
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<meta name="og:site_name" content="PubMed Central (PMC)">
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<meta name="og:url" content="https://pmc.ncbi.nlm.nih.gov/pub/filespec-images/">
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<meta name="og:image" content="https://cdn.ncbi.nlm.nih.gov/pmc/cms/images/pmc-card-share.jpg?_=0">
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<meta name="twitter:card" content="summary_large_image">
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<meta name="twitter:site" content="@ncbi">
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</head>
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<body >
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<a class="usa-skipnav " href="#main-content">
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Skip to main content
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</a>
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<section class="usa-banner " aria-label="Official website of the United States government" >
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<div class="usa-accordion">
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<header class="usa-banner__header">
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<div class="usa-banner__inner">
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<div class="grid-col-auto">
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<img aria-hidden="true"
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class="usa-banner__header-flag"
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src="/static/img/us_flag.svg"
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alt="" />
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</div>
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<div class="grid-col-fill tablet:grid-col-auto" aria-hidden="true">
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<p class="usa-banner__header-text">
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An official website of the United States government
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</p>
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<span class="usa-banner__header-action">Here's how you know</span>
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</div>
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<button
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type="button"
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class="usa-accordion__button usa-banner__button
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"
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aria-expanded="false"
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aria-controls="gov-banner-default"
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data-testid="storybook-django-banner"
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>
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<span class="usa-banner__button-text">Here's how you know</span>
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</button>
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</div>
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</header>
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<div class="usa-banner__content usa-accordion__content"
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id="gov-banner-default"
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hidden>
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<div class="grid-row grid-gap-lg">
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<div class="usa-banner__guidance tablet:grid-col-6">
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<img class="usa-banner__icon usa-media-block__img"
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src="/static/img/icon-dot-gov.svg"
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alt=""
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aria-hidden="true" />
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<div class="usa-media-block__body">
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<p>
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<strong>Official websites use .gov</strong>
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<br />
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A
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<strong>.gov</strong> website belongs to an official
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government organization in the United States.
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</p>
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</div>
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</div>
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<div class="usa-banner__guidance tablet:grid-col-6">
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<img class="usa-banner__icon usa-media-block__img"
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src="/static/img/icon-https.svg"
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alt=""
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aria-hidden="true" />
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<div class="usa-media-block__body">
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<p>
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<strong>Secure .gov websites use HTTPS</strong>
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<br />
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A <strong>lock</strong> (
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<span class="icon-lock">
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<svg xmlns="http://www.w3.org/2000/svg"
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width="52"
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height="64"
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viewBox="0 0 52 64"
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class="usa-banner__lock-image"
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role="graphics-symbol"
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aria-labelledby="banner-lock-description"
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focusable="false">
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<title id="banner-lock-title">Lock</title>
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<desc id="banner-lock-description">
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Locked padlock icon
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</desc>
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<path fill="#000000"
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fill-rule="evenodd"
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d="M26 0c10.493 0 19 8.507 19 19v9h3a4 4 0 0 1 4 4v28a4 4 0 0 1-4 4H4a4 4 0 0 1-4-4V32a4 4 0 0 1 4-4h3v-9C7 8.507 15.507 0 26 0zm0 8c-5.979 0-10.843 4.77-10.996 10.712L15 19v9h22v-9c0-6.075-4.925-11-11-11z" />
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</svg>
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</span>) or <strong>https://</strong> means you've safely
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connected to the .gov website. Share sensitive
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information only on official, secure websites.
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</p>
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</div>
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</div>
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</div>
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</div>
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</div>
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</section>
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<div class="usa-overlay">
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</div>
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<header class="usa-header usa-header--extended usa-header--wide" data-testid="header" data-header >
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<div class="ncbi-header">
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<div class="ncbi-header__container">
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<a class="ncbi-header__logo-container" href="https://www.ncbi.nlm.nih.gov/">
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<img alt="
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NCBI home page
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"
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class="ncbi-header__logo-image"
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src="/static/img/ncbi-logos/nih-nlm-ncbi--white.svg" />
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</a>
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<!-- Mobile menu hamburger button -->
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<button
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type="button"
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class="usa-menu-btn ncbi-header__hamburger-button
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"
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aria-label="Show menu"
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data-testid="navMenuButton"
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>
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<svg aria-hidden="true"
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class="ncbi-hamburger-icon"
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fill="none"
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focusable="false"
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height="21"
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viewBox="0 0 31 21"
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width="31"
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xmlns="http://www.w3.org/2000/svg">
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<path clip-rule="evenodd"
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d="M0.125 20.75H30.875V17.3333H0.125V20.75ZM0.125 12.2083H30.875V8.79167H0.125V12.2083ZM0.125 0.25V3.66667H30.875V0.25H0.125Z"
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fill="#F1F1F1"
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fill-rule="evenodd" />
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</svg>
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</button>
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<!-- Desktop buttons-->
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<div class="ncbi-header__desktop-buttons">
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<!-- Desktop search button -->
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<button
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type="button"
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class="usa-button
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usa-button--unstyled ncbi-header__desktop-button
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"
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aria-expanded="false"
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aria-controls="search-field-desktop-navigation"
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aria-label="Show search overlay"
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data-testid="toggleSearchPanelButton"
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data-toggle-search-panel-button
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>
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<svg class="usa-icon " role="graphics-symbol" aria-hidden="true" >
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<use xlink:href="/static/img/sprite.svg#search" />
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</svg>
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Search
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</button>
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<!-- Desktop login dropdown -->
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<div class="ncbi-header__login-dropdown">
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<button
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type="button"
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class="usa-button
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usa-button--unstyled ncbi-header__desktop-button ncbi-header__login-dropdown-button
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"
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aria-expanded="false"
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aria-controls="login-dropdown-menu"
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aria-label="Show login menu"
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data-testid="toggleLoginMenuDropdown"
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data-desktop-login-button
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>
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<svg class="usa-icon " role="graphics-symbol" aria-hidden="true" >
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<use xlink:href="/static/img/sprite.svg#person" />
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</svg>
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<span data-login-dropdown-text>Log in</span>
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<!-- Dropdown icon pointing up -->
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<svg class="usa-icon ncbi-header__login-dropdown-icon ncbi-header__login-dropdown-icon--expand-less ncbi-header__login-dropdown-icon--hidden" role="graphics-symbol" aria-hidden="true" data-login-dropdown-up-arrow>
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<use xlink:href="/static/img/sprite.svg#expand_less" />
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</svg>
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<!-- Dropdown icon pointing down -->
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<svg class="usa-icon ncbi-header__login-dropdown-icon ncbi-header__login-dropdown-icon--expand-more ncbi-header__login-dropdown-icon--hidden" role="graphics-symbol" aria-hidden="true" data-login-dropdown-down-arrow>
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<use xlink:href="/static/img/sprite.svg#expand_more" />
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</svg>
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</button>
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<!-- Login dropdown menu -->
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<ul class="usa-nav__submenu ncbi-header__login-dropdown-menu"
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id="login-dropdown-menu"
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data-desktop-login-menu-dropdown
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hidden>
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<li class="usa-nav__submenu-item">
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<!-- Uses custom style overrides to render external and document links. -->
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<a href="https://www.ncbi.nlm.nih.gov/myncbi/" class="usa-link " >
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Dashboard
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</a>
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</li>
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<li class="usa-nav__submenu-item">
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<!-- Uses custom style overrides to render external and document links. -->
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<a href="https://www.ncbi.nlm.nih.gov/myncbi/collections/bibliography/" class="usa-link " >
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Publications
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</a>
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</li>
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<li class="usa-nav__submenu-item">
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<!-- Uses custom style overrides to render external and document links. -->
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<a href="https://www.ncbi.nlm.nih.gov/account/settings/" class="usa-link " >
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Account settings
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</a>
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</li>
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<li class="usa-nav__submenu-item">
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<button
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type="button"
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class="usa-button
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usa-button--outline ncbi-header__login-dropdown-logout-button
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"
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data-testid="desktopLogoutButton"
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data-desktop-logout-button
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>
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Log out
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</button>
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</li>
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</ul>
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</div>
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</div>
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</div>
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</div>
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<!-- Search panel -->
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|
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<div class="ncbi-search-panel ncbi--show-only-at-desktop"
|
|
data-testid="searchPanel"
|
|
data-header-search-panel
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|
hidden>
|
|
<div class="ncbi-search-panel__container">
|
|
<form action="https://www.ncbi.nlm.nih.gov/search/all/"
|
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aria-describedby="search-field-desktop-navigation-help-text"
|
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autocomplete="off"
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class="usa-search usa-search--big ncbi-search-panel__form"
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data-testid="form"
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method="GET"
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role="search">
|
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<label class="usa-sr-only"
|
|
data-testid="label"
|
|
for="search-field-desktop-navigation">
|
|
Search…
|
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</label>
|
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<input class="usa-input"
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|
data-testid="textInput"
|
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id="search-field-desktop-navigation"
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name="term"
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placeholder="Search NCBI"
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type="search"
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value="" />
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<button
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type="submit"
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class="usa-button
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"
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data-testid="button"
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>
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<span class="usa-search__submit-text">
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Search NCBI
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Primary site navigation
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<button
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type="button"
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class="usa-nav__close ncbi-nav__close-button
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"
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aria-label="Close navigation menu"
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data-testid="navCloseButton"
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<img src="/static/img/usa-icons/close.svg" alt="Close" />
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<!-- Mobile search component -->
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<form class="usa-search usa-search--small ncbi--hide-at-desktop margin-top-6"
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role="search">
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<label class="usa-sr-only" for="search-field">
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Search
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<input class="usa-input"
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id="search-field-mobile-navigation"
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placeholder="Search NCBI"
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<button
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type="submit"
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class="usa-button
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"
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>
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<img src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMjQiIHZpZXdCb3g9IjAgMCAyNCAyNCIgd2lkdGg9IjI0Ij48cGF0aCBkPSJNMCAwaDI0djI0SDB6IiBmaWxsPSJub25lIi8+PHBhdGggZmlsbD0iI2ZmZiIgZD0iTTE1LjUgMTRoLS43OWwtLjI4LS4yN0E2LjQ3MSA2LjQ3MSAwIDAgMCAxNiA5LjUgNi41IDYuNSAwIDEgMCA5LjUgMTZjMS42MSAwIDMuMDktLjU5IDQuMjMtMS41N2wuMjcuMjh2Ljc5bDUgNC45OUwyMC40OSAxOWwtNC45OS01em0tNiAwQzcuMDEgMTQgNSAxMS45OSA1IDkuNVM3LjAxIDUgOS41IDUgMTQgNy4wMSAxNCA5LjUgMTEuOTkgMTQgOS41IDE0eiIvPjwvc3ZnPg=="
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<!-- Primary navigation menu items -->
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data-mobile-login-menu
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hidden>
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Logged in as:
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<a href="https://www.ncbi.nlm.nih.gov/myncbi/" class="usa-link " >
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Dashboard
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<a href="https://www.ncbi.nlm.nih.gov/myncbi/collections/bibliography/" class="usa-link " >
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<a href="https://www.ncbi.nlm.nih.gov/account/settings/" class="usa-link " >
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Account settings
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</ul>
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<button
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type="button"
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class="usa-button
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ncbi-nav__mobile-login-button ncbi--hide-at-desktop
|
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"
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data-testid="mobileLoginButton"
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data-mobile-login-button
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>
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Log in
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</nav>
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</header>
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<section class="pmc-header pmc-header--basic" aria-label="PMC Header with search box">
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<div class="pmc-nav-container">
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<div class="pmc-header__bar">
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<div class="pmc-header__logo">
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<a href="/" title="Home" aria-label="PMC Home"></a>
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</div>
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<button
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type="button"
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class="usa-button usa-button--unstyled pmc-header__search__button"
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aria-label="Open search"
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data-ga-category="search"
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data-ga-action="PMC"
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data-ga-label="pmc_search_panel_mobile"
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>
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<svg class="usa-icon width-4 height-4 pmc-icon__open" aria-hidden="true" focusable="false" role="img">
|
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<use xlink:href="/static/img/sprite.svg#search"></use>
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</svg>
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<svg class="usa-icon width-4 height-4 pmc-icon__close" aria-hidden="true" focusable="false" role="img">
|
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<use xlink:href="/static/img/sprite.svg#close"></use>
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</svg>
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</button>
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</div>
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<div class="pmc-header__search">
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<form class="usa-search usa-search--extra usa-search--article-right-column pmc-header__search__form" autocomplete="off" role="search">
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<label class="usa-sr-only" for="pmc-search">Search PMC Full-Text Archive</label>
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<span class="autoComplete_wrapper flex-1">
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<input class="usa-input width-full maxw-none" required="required" placeholder="Search PMC Full-Text Archive" id="pmc-search" type="search" name="term" data-autocomplete-url="https://pmc.ncbi.nlm.nih.gov/autocomp/search/autocomp/"/>
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</span>
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<button
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class="usa-button"
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type="submit"
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formaction="https://www.ncbi.nlm.nih.gov/pmc/"
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data-ga-category="search"
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data-ga-action="PMC"
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data-ga-label="PMC_search_button"
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<span class="usa-search__submit-text">Search in PMC</span>
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<img
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src="/static/img/usa-icons-bg/search--white.svg"
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class="usa-search__submit-icon"
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alt="Search"
|
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/>
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</button>
|
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</form>
|
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<ul class="pmc-header__search__menu">
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<li>
|
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<a class="usa-link" href="https://www.ncbi.nlm.nih.gov/pmc/advanced/" data-ga-action="featured_link" data-ga-label="advanced_search">
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Advanced Search
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<a class="usa-link" href="/journals/" data-ga-action="featured_link" data-ga-label="journal list">
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Journal List
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<li>
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<a class="usa-link" href="/about/userguide/" data-ga-action="featured_link"
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data-ga-label="user guide">
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User Guide
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</a>
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</ul>
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</div>
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</div>
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</section>
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<section class="usa-header usa-header--extended usa-header--no-border" aria-label="Menu">
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<nav aria-label="PMC navigation" class="pmc-nav">
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<div class="usa-nav__inner">
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<li class="usa-nav__primary-item">
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<button
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type="button"
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class="usa-accordion__button usa-nav__link"
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aria-expanded="false"
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aria-controls="extended-mega-nav-section-1"
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>
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<span>
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About PMC
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<div id="extended-mega-nav-section-1" class="usa-nav__submenu usa-megamenu">
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<div class="grid-row">
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<div class="usa-col">
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<ul class="usa-nav__submenu-list">
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<li class="usa-nav__submenu-item">
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<a
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href="/about/intro/"
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About PMC
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</a>
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<li class="usa-nav__submenu-item">
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<a
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href="/about/accessibility/"
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Accessibility
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</a>
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</li>
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<li class="usa-nav__submenu-item">
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<a
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href="https://www.ncbi.nlm.nih.gov/pmc/tools/citmatch/"
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>
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Citation Search
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</a>
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</li>
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<li class="usa-nav__submenu-item">
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<a
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href="/about/copyright/"
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>
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Copyright Notice
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</a>
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</li>
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</ul>
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</div>
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<div class="usa-col">
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<ul class="usa-nav__submenu-list">
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<li class="usa-nav__submenu-item">
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<a
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href="/about/disclaimer/"
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Disclaimer
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</a>
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<li class="usa-nav__submenu-item">
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<a
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href="/about/faq/"
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>
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FAQs
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</a>
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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href="/journals/"
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>
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Journal List
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</a>
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/selection-stats/"
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>
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Journal Selection Statistics
|
|
</a>
|
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</li>
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</ul>
|
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</div>
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<div class="usa-col">
|
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<ul class="usa-nav__submenu-list">
|
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/nac/"
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|
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>
|
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National Advisory Committee
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</a>
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/new-in-pmc/"
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>
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New in PMC
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</a>
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/public-access/"
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>
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PMC and Research Funder Policies
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</a>
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</li>
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<li class="usa-nav__submenu-item">
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<a
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|
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href="/about/pmci/"
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>
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PMC International
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</a>
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</li>
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</ul>
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</div>
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<div class="usa-col">
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<ul class="usa-nav__submenu-list">
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<li class="usa-nav__submenu-item">
|
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<a
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href="/about/guidelines/"
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>
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Policies
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</a>
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<li class="usa-nav__submenu-item">
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<a
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href="/about/userguide/"
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>
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User Guide
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</a>
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</li>
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</ul>
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</div>
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</div>
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</li>
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<li class="usa-nav__primary-item">
|
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<button
|
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type="button"
|
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class="usa-accordion__button usa-nav__link"
|
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aria-expanded="false"
|
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aria-controls="extended-mega-nav-section-2"
|
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>
|
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<span>
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Collections
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</span>
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</button>
|
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<div id="extended-mega-nav-section-2" class="usa-nav__submenu usa-megamenu">
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<div class="grid-row">
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<div class="usa-col">
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<ul class="usa-nav__submenu-list">
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<li class="usa-nav__submenu-item">
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<a
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|
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href="/about/collections/"
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>
|
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Collections - Home
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</a>
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/authorms/"
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>
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Author Manuscripts
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</a>
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/scanning/"
|
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>
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Back Issue Digitization
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</a>
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</li>
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<li class="usa-nav__submenu-item">
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<a
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href="/about/covid-19/"
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COVID-19 Collection
|
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</a>
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</li>
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</ul>
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</div>
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<div class="usa-col">
|
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<ul class="usa-nav__submenu-list">
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<li class="usa-nav__submenu-item">
|
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<a
|
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|
|
href="/journals/"
|
|
|
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>
|
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Journal List
|
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</a>
|
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/mpox/"
|
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|
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>
|
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Mpox Collection
|
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</a>
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/nihpreprints/"
|
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|
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>
|
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NIH Preprint Pilot
|
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</a>
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
|
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|
|
href="/tools/openftlist/"
|
|
|
|
>
|
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Open Access Subset
|
|
</a>
|
|
</li>
|
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|
</ul>
|
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</div>
|
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<div class="usa-col">
|
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<ul class="usa-nav__submenu-list">
|
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|
|
<li class="usa-nav__submenu-item">
|
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<a
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|
|
href="/tools/textmining/"
|
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|
|
>
|
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PMC Article Datasets
|
|
</a>
|
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</li>
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<li class="usa-nav__submenu-item">
|
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<a
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|
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href="/about/selectivedeposit/"
|
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|
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>
|
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Selective Deposit Collections
|
|
</a>
|
|
</li>
|
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|
|
|
|
|
</ul>
|
|
</div>
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class="usa-layout-docs usa-prose docs-prose usa-prose--wide grid-col-12 desktop:grid-col-9"
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>
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<!-- PMC PG_TITLE -->
|
|
|
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<h1>Image Quality Specifications</h1>
|
|
|
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<div class="on-this-page">
|
|
<h2>On This Page:</h2>
|
|
<ol>
|
|
<li>
|
|
<a href="#img-quality">Image Quality</a>
|
|
</li>
|
|
<li>
|
|
<a href="#fig-format">Figure Graphic Formatting Guidelines</a>
|
|
</li>
|
|
<li>
|
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<a href="#legible">Legiblility</a>
|
|
</li>
|
|
<li>
|
|
<a href="#table">Tables as Images</a>
|
|
</li>
|
|
<li>
|
|
<a href="#eqn">Equations as Images</a>
|
|
</li>
|
|
</ol>
|
|
<p>Return to main <a href="../filespec/">File Submissions Specifications</a> page.</p>
|
|
</div>
|
|
|
|
<h2 id="img-quality">1. Image Quality</h2>
|
|
|
|
<p>Generally, Authors submit raw image data files to a publishing house in various formats (PPT,
|
|
PDF, TIFF, JPG, XML, etc.). The files are then normalized to produce print or electronic
|
|
output. PMC requires the normalized output, which is high-resolution, and of sufficient width
|
|
and quality to be considered archival. Images generated at low resolution for display purposes
|
|
are not acceptable.</p>
|
|
|
|
<p>Graphics will be rejected if images are not submitted at or above their intended display
|
|
size.</p>
|
|
|
|
<div id="int-disp" class="note">
|
|
<h3>Intended Display Size</h3>
|
|
<p>Intended display size is the physical size of a digital
|
|
image as it will be displayed in the printed product, website, etc.</p>
|
|
<div><p><strong>Example:</strong> Image size is 900 pixels wide by 600 pixels in
|
|
height, and the resolution is 300 dpi.</p>
|
|
<p><strong>pixel dimension </strong> / <strong> resolution = physical width</strong></p>
|
|
<p>900 pixels / 300 dpi = 3 inches physical width <br/> 600 pixels / 300 dpi = 2 inches
|
|
physical height</p>
|
|
<p><strong>Intended Display Size = 3 x 2 inches</strong></p>
|
|
</div>
|
|
</div>
|
|
|
|
<p>The following image resolutions are accepted: Line Art 800 dpi, Combo (Line Art + Halftone)
|
|
600 dpi, Halftone 300 dpi. See the <a href="#fig-format">Figure Graphic Formatting
|
|
Guidelines</a> below for more details. Image files also must be cropped as close to the
|
|
actual image as possible.</p>
|
|
|
|
<p>Avoid web-quality graphics in which images are pixelated, colors are inaccurate to their source, or the text is illegible. These undesirable qualities are usually caused by file compression applied by JPG or GIF formatting. Although TIFF and EPS files are the most desirable formats for archiving, it is important to stress that the real objective is to obtain the highest quality images available, regardless of format.</p>
|
|
|
|
<h3>File Formats</h3>
|
|
|
|
<ul>
|
|
<li>Uncompressed high-resolution TIFF or EPS files are preferred for all images.</li>
|
|
<li>SVG formatted images are not accepted.</li>
|
|
<li>All files must be cross-platform compatible.</li>
|
|
<li>Do not include thumbnail versions of any full size images that are deposited in PMC.</li>
|
|
<li>Graphics must be legible throughout all submissions.</li>
|
|
</ul>
|
|
|
|
<h3>Figure Graphics</h3>
|
|
|
|
<h4>For all figure graphics please ensure:</h4>
|
|
|
|
<ul>
|
|
<li>Image width: Greater than or equal to <a href="#int-disp">intended display size</a></li>
|
|
<li>Colorspace: Depends on type of image. See the table in the <a href="#fig-format">Figure Graphic Formatting Guidelines</a> section.</li>
|
|
<li>DPI: Depends on type of image. See the table in the <a href="#fig-format">Figure Graphic Formatting Guidelines</a> section.</li>
|
|
<li>Layers: Flattened</li>
|
|
</ul>
|
|
|
|
<h4>For TIFF images</h4>
|
|
|
|
<ul>
|
|
<li>Alpha channels: None</li>
|
|
</ul>
|
|
|
|
<h4>For EPS images</h4>
|
|
|
|
<ul>
|
|
<li>Fully embed any non-standard fonts in the image file.</li>
|
|
<li>Convert the text to curves and rasterize.</li>
|
|
</ul>
|
|
|
|
<div id="fig-format">
|
|
<h2>2. Figure Graphic Formatting Guidelines</h2>
|
|
<table id="fig-example-table">
|
|
<tr>
|
|
<th>Image Type</th>
|
|
<th>Description</th>
|
|
<th>Example</th>
|
|
<th>Recommended Format</th>
|
|
<th>Color Mode</th>
|
|
<th>Resolution</th>
|
|
</tr>
|
|
<tr>
|
|
<td>Line Art</td>
|
|
<td>An image composed of lines and text, which does not contain tonal or shaded areas</td>
|
|
<td>
|
|
<img alt="line art" src="https://cdn.ncbi.nlm.nih.gov/pmc/cms/images/lineart-example.gif" style="width: 175px; max-width: none;"/>
|
|
</td>
|
|
<td>TIFF or EPS</td>
|
|
<td>Monochrome 1-bit or RGB</td>
|
|
<td>900 - 1200 dpi</td>
|
|
</tr>
|
|
<tr>
|
|
<td>Halftone</td>
|
|
<td>A continuous tone photograph, which contains no text</td>
|
|
<td>
|
|
<img alt="halftone" src="https://cdn.ncbi.nlm.nih.gov/pmc/cms/images/tone-example.jpg" style="width: 175px; max-width: none;"/>
|
|
</td>
|
|
<td>TIFF</td>
|
|
<td>RGB or Grayscale</td>
|
|
<td>300 dpi</td>
|
|
</tr>
|
|
<tr>
|
|
<td>Combo</td>
|
|
<td>Image contains halftone + text or line art elements</td>
|
|
<td>
|
|
<img alt="combination halftone and lineart graphic" src="https://cdn.ncbi.nlm.nih.gov/pmc/cms/images/combo-example.jpg" style="width: 175px; max-width: none;"/>
|
|
</td>
|
|
<td>TIFF or EPS</td>
|
|
<td>RGB or Grayscale</td>
|
|
<td>500 - 900 dpi</td>
|
|
</tr>
|
|
</table>
|
|
<ul>
|
|
<li>
|
|
<i>The line example was taken from</i>: Stasi R, Amadori S, Osborn J, Newland AC, Provan
|
|
D. Long-term outcome of otherwise healthy individuals with incidentally discovered
|
|
borderline thrombocytopenia. PLoS Med 2006; 3(3):e24.</li>
|
|
<li>
|
|
<i>The combination example was taken from</i>: Parikh S, Mammoto T, Schultz A, Yuan HT,
|
|
Christiani D, et al. Excess circulating angiopoietin-2 may contribute to pulmonary
|
|
vascular leak in sepsis in humans. PLoS Med 2006; 3(3):e46.</li>
|
|
<li>
|
|
<i>The tone example was taken from</i>: Nicholls JM, Butany J, Poon LLM, Chan KH, Beh SL,
|
|
et al. Time course and cellular localization of SARS-CoV nucleoprotein and RNA in lungs
|
|
from fatal cases of SARS. PLoS Med 2006; 3(2):e27.</li>
|
|
</ul>
|
|
<div class="note">
|
|
<h3>Note:</h3>
|
|
<p>All images must be submitted at or above <a href="#int-disp">Intended Display
|
|
Size</a></p>
|
|
</div>
|
|
</div>
|
|
|
|
<div id="legible">
|
|
<h2>3. Legibility</h2>
|
|
<ul>
|
|
<li>The smallest visible text is no less than 8 points in height, when viewed at <a href="#int-disp">intended display size</a>.</li>
|
|
<li>Solid lines are not broken up.</li>
|
|
<li>Image areas are not pixilated.</li>
|
|
<li>Text is legible and of high quality.</li>
|
|
<li>All text that was in the original graphic is present in the digital file
|
|
submission.</li>
|
|
<li>Any lines in the graphic are no smaller than 2 points width.</li>
|
|
<li>The quality of the graphic is the same as, or better than, the PDF.</li>
|
|
</ul>
|
|
</div>
|
|
|
|
<div id="table">
|
|
<h2>4. Tables as Images</h2>
|
|
<div class="note">
|
|
<h3>Note:</h3>
|
|
<p>Only when tables cannot be encoded as XML/SGML may they be submitted as graphics.
|
|
If this method is used, it is critical that the font size in all equations and tables is
|
|
consistent and legible throughout all submissions.</p>
|
|
</div>
|
|
<ul>
|
|
<li>The smallest visible text is no less than 8 points in height, when viewed at <a href="#int-disp">intended display size</a>.</li>
|
|
<li>Solid lines are not broken up.</li>
|
|
<li>The table caption is coded in the XML, not included in the image.</li>
|
|
<li>Image areas are not pixilated.</li>
|
|
<li>Text is legible and of high quality.</li>
|
|
<li>All text and symbols which were in the original graphic are present in the digital file
|
|
submission.</li>
|
|
<li>Any lines in the graphic are no smaller than 1-point width.</li>
|
|
<li>The quality of the graphic is the same as, or better than, the PDF.</li>
|
|
<li>If there is color in the table, be sure to submit a color graphic.</li>
|
|
</ul>
|
|
</div>
|
|
|
|
<div id="eqn">
|
|
<h2>5. Equations as Images</h2>
|
|
<div class="note">
|
|
<h3>Note:</h3>
|
|
<p>
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