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{"id":8551,"date":"2016-02-23T11:00:33","date_gmt":"2016-02-23T16:00:33","guid":{"rendered":"http:\/\/circulatingnow.nlm.nih.gov\/?p=8551"},"modified":"2024-11-12T14:38:12","modified_gmt":"2024-11-12T19:38:12","slug":"pubmed-central-visualizing-a-historical-treasure-trove","status":"publish","type":"post","link":"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/","title":{"rendered":"PubMed Central: Visualizing a Historical Treasure Trove"},"content":{"rendered":"<p><em>By Tyler Nix, Kathryn Funk, Jeffrey S. Reznick, and Erin Zellers<\/em><\/p>\n<p>A wealth of medical history awaits your exploration in the National Library of Medicine\u2019s (NLM) free and full-text digital archive of journals <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/\">PubMed Central<\/a> (PMC)! Known to most of its users as a free, full-text archive of recent biomedical journals, PMC also reaches back in time over two centuries.<\/p>\n<p>An account of <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1362337\/\">centralized health and relief agencies<\/a> in Massachusetts during the 1918 influenza pandemic; an article by <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2421674\/\">Florence Nightingale<\/a> on nursing reform; a paper by <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2066211\/\">W. H. R. Rivers<\/a> on his treatment of \u201cwar neuroses\u201d during World War I; a medical case report on America\u2019s 20th president <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2263931\/\">James A. Garfield<\/a>, following his assassination in 1881; post-World War II thoughts about the future of the Army Medical Library by its director <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC195026\/\">Frank Rogers<\/a>; and seminal historical research articles aplenty: by <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2048009\/\">Sir Alexander Fleming<\/a>, on the use of penicillin to fight bacterial infections; by <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2236023\/\">Walter Reed<\/a>, on the transmission of yellow fever by mosquitoes; and by the bacteriologist <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1353790\/\">Ida A. Bengtson<\/a>, the first woman to work in the Hygienic Laboratory of the U.S. Public Health Service, the forerunner of the National Institutes of Health.<\/p>\n<div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"840\" data-carousel-extra='{"blog_id":1,"permalink":"https:\\\/\\\/circulatingnow.nlm.nih.gov\\\/2016\\\/02\\\/23\\\/pubmed-central-visualizing-a-historical-treasure-trove\\\/","likes_blog_id":"52242398"}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 840px; height: 285px;\" data-original-width=\"840\" data-original-height=\"285\" > <div class=\"gallery-group images-1\" style=\"width: 220px; height: 285px;\" data-original-width=\"220\" data-original-height=\"285\" > <div class=\"tiled-gallery-item tiled-gallery-item-small\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/circulatingnow.nlm.nih.gov\/2014\/05\/12\/the-lady-who-became-a-nurse\/florence-nightingale_b020492\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"216\"> <meta itemprop=\"height\" content=\"281\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4062\" data-orig-file=\"https:\/\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2014\/04\/florence-nightingale_b020492.jpg\" data-orig-size=\"1188,1544\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":""}\" data-image-title=\"Florence Nightingale\" data-image-description=\"<p>http:\/\/resource.nlm.nih.gov\/101424616<\/p> \" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2014\/04\/florence-nightingale_b020492.jpg?fit=231%2C300&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2014\/04\/florence-nightingale_b020492.jpg?fit=788%2C1024&ssl=1\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2014\/04\/florence-nightingale_b020492.jpg?w=216&h=281&ssl=1\" width=\"216\" height=\"281\" loading=\"lazy\" data-original-width=\"216\" data-original-height=\"281\" itemprop=\"http:\/\/schema.org\/image\" title=\"Florence Nightingale\" alt=\"Formal portrait, standing in a fine dress, holding a folded paper.\" style=\"width: 216px; height: 281px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Florence Nightingale National Library of Medicine #101424616 <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 232px; height: 285px;\" data-original-width=\"232\" data-original-height=\"285\" > <div class=\"tiled-gallery-item tiled-gallery-item-small\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/sir-alexander-fleming\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"228\"> <meta itemprop=\"height\" content=\"281\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"8570\" data-orig-file=\"https:\/\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/sir-alexander-fleming.png\" data-orig-size=\"976,1200\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"Sir Alexander Fleming\" data-image-description=\"<p>http:\/\/resource.nlm.nih.gov\/101395382<\/p> \" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/sir-alexander-fleming.png?fit=244%2C300&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/sir-alexander-fleming.png?fit=833%2C1024&ssl=1\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/sir-alexander-fleming.png?w=228&h=281&ssl=1\" width=\"228\" height=\"281\" loading=\"lazy\" data-original-width=\"228\" data-original-height=\"281\" itemprop=\"http:\/\/schema.org\/image\" title=\"Sir Alexander Fleming\" alt=\"Writing on a chalkboard.\" style=\"width: 228px; height: 281px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Sir Alexander Fleming National Library of Medicine #101395382 <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 185px; height: 285px;\" data-original-width=\"185\" data-original-height=\"285\" > <div class=\"tiled-gallery-item tiled-gallery-item-small\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/circulatingnow.nlm.nih.gov\/2013\/09\/13\/celebrating-walter-reed\/wreed\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"181\"> <meta itemprop=\"height\" content=\"281\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"1616\" data-orig-file=\"https:\/\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/08\/wreed.jpg\" data-orig-size=\"1030,1600\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":""}\" data-image-title=\"Walter Reed\" data-image-description=\"<p> http:\/\/resource.nlm.nih.gov\/101426794<\/p> \" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/08\/wreed.jpg?fit=193%2C300&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/08\/wreed.jpg?fit=659%2C1024&ssl=1\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/08\/wreed.jpg?w=181&h=281&ssl=1\" width=\"181\" height=\"281\" loading=\"lazy\" data-original-width=\"181\" data-original-height=\"281\" itemprop=\"http:\/\/schema.org\/image\" title=\"Walter Reed\" alt=\"Standing by rock, with his daughter Blossom - arms around his neck.\" style=\"width: 181px; height: 281px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Walter Reed National Library of Medicine #101426794 <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 203px; height: 285px;\" data-original-width=\"203\" data-original-height=\"285\" > <div class=\"tiled-gallery-item tiled-gallery-item-small\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/isa-a-bengston\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"199\"> <meta itemprop=\"height\" content=\"281\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"8569\" data-orig-file=\"https:\/\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/isa-a-bengston.png\" data-orig-size=\"850,1200\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"Ida A. Bengston\" data-image-description=\"<p> http:\/\/resource.nlm.nih.gov\/101410279<\/p> \" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/isa-a-bengston.png?fit=213%2C300&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/isa-a-bengston.png?fit=725%2C1024&ssl=1\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/isa-a-bengston.png?w=199&h=281&ssl=1\" width=\"199\" height=\"281\" loading=\"lazy\" data-original-width=\"199\" data-original-height=\"281\" itemprop=\"http:\/\/schema.org\/image\" title=\"Ida A. Bengston\" alt=\"Half-length, seated in laboratory's sterile room transferring tissue cultures of Rocky Mountain spotted fever.\" style=\"width: 199px; height: 281px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Ida A. Bengston National Library of Medicine #101410279 <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div>\n<p>These articles represent just a fraction of the more than one million articles comprising PMC\u2019s historical holdings, scanned from 160 journal titles beginning in 1809 and spanning 200 years. These holdings are the outcome of the <a href=\"https:\/\/wellcome.org\/press-release\/wellcome-library-and-nlm-establish-agreement-make-150-years-biomedical-journals-freely\">Medical Journal Backfiles Digitization Project (2004-2010)<\/a>, a partnership between the Wellcome Trust, the Joint Information Systems Committee (JISC), NLM, and a number of medical journal publishers interested in publishing backfiles online. Building on this previous effort, the NLM and the Wellcome Trust are now <a href=\"https:\/\/www.nlm.nih.gov\/news\/welcome_library_agreement.html\">working together<\/a> to expand PMC’s historical holdings in the area of mental health and general medicine, a collaboration that will add substantially to the current <em>total <\/em>PMC archive of over 3.8 million articles.<\/p>\n<p>PMC is full of amazing individual items, but what follows is a wider view of what its one million historical articles look like. The word clouds below reveal the depth and diversity of this historical collection by journal title, its major subject areas by NLM Medical Subject Headings, and its chronological scope by publication year, stretching from the early nineteenth century to the late-twentieth century.<\/p>\n<figure id=\"attachment_8571\" aria-describedby=\"caption-attachment-8571\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/title_wordcloud.jpg?ssl=1\" rel=\"attachment wp-att-8571\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8571\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/title_wordcloud\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/title_wordcloud.jpg?fit=1427%2C717&ssl=1\" data-orig-size=\"1427,717\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"Title Wordcloud\" data-image-description=\"\" data-image-caption=\"<p>PubMed Central includes complete historical backfiles of over 160 journals. The top 50 titles are represented here in approximate proportion to their volume in the collection.<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/title_wordcloud.jpg?fit=300%2C151&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/title_wordcloud.jpg?fit=840%2C422&ssl=1\" class=\"wp-image-8571 size-large\" title=\"Historical Backfile Journal Titles in PMC\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/title_wordcloud.jpg?resize=650%2C327&ssl=1\" alt=\"A word cloud in which Journal of the Royal Society of Medicine, British Medical Journal and Transactions of the American Opthalmological Society feature strongly.\" width=\"650\" height=\"327\" \/><\/a><figcaption id=\"caption-attachment-8571\" class=\"wp-caption-text\">PubMed Central includes complete historical backfiles of over 160 journals. The top 50 titles are represented here in approximate proportion to their volume in the collection.<\/figcaption><\/figure>\n<figure id=\"attachment_8572\" aria-describedby=\"caption-attachment-8572\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/meshterm_wordcloud.jpg?ssl=1\" rel=\"attachment wp-att-8572\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8572\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/meshterm_wordcloud\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/meshterm_wordcloud.jpg?fit=1017%2C1015&ssl=1\" data-orig-size=\"1017,1015\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"MESH Term Wordcloud\" data-image-description=\"\" data-image-caption=\"<p>PubMed Central historical titles cover a range of medical topics from general medicine, to specialized fields like neurosciences, occupational health, and gene expression regulation. Journal topics are represented here by each journal\u2019s Medical Subject Heading (MeSH) descriptor, displayed in approximate proportion to its frequency in the collection.<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/meshterm_wordcloud.jpg?fit=300%2C300&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/meshterm_wordcloud.jpg?fit=840%2C838&ssl=1\" class=\"wp-image-8572 size-large\" title=\"PubMed Central Historical Topics \" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/meshterm_wordcloud.jpg?resize=650%2C649&ssl=1\" alt=\"Wordcloud in which Medicine, Molecular Biology and Public Health feature strongly.\" width=\"650\" height=\"649\" \/><\/a><figcaption id=\"caption-attachment-8572\" class=\"wp-caption-text\">PubMed Central historical titles cover a range of medical topics from general medicine, to specialized fields like neurosciences, occupational health, and gene expression regulation. Journal topics are represented here by each journal\u2019s Medical Subject Heading (MeSH) descriptor, displayed in approximate proportion to its frequency in the collection.<\/figcaption><\/figure>\n<figure id=\"attachment_8573\" aria-describedby=\"caption-attachment-8573\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/yearfrequencies_wordcloud.jpg?ssl=1\" rel=\"attachment wp-att-8573\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8573\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/yearfrequencies_wordcloud\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/yearfrequencies_wordcloud.jpg?fit=1027%2C1015&ssl=1\" data-orig-size=\"1027,1015\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"Year Frequencies Wordcloud\" data-image-description=\"\" data-image-caption=\"<p>PubMed Central hosts 200 years of historical journals, from 1809 through the early 2000’s. The collection starts with a small handful of journals and peaks at over 80 titles in the 1990s. This image reflects the number of journal titles in a given year, where larger years indicate more titles.<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/yearfrequencies_wordcloud.jpg?fit=300%2C296&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/yearfrequencies_wordcloud.jpg?fit=840%2C830&ssl=1\" class=\"wp-image-8573 size-large\" title=\"PubMed Central Historical Backfile Date Range\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/yearfrequencies_wordcloud.jpg?resize=650%2C642&ssl=1\" alt=\"A numbercloud in which the dates 1994, 1993 and 1992 feature strongly\" width=\"650\" height=\"642\" \/><\/a><figcaption id=\"caption-attachment-8573\" class=\"wp-caption-text\">PubMed Central hosts 200 years of historical journals, from 1809 through the early 2000’s. The collection starts with a small handful of journals and peaks at over 80 titles in the 1990s. This image reflects the number of journal titles in a given year, where larger years indicate more titles.<\/figcaption><\/figure>\n<p>As rich as PMC is in pre-20th century journals, its more recent, post-World War II content is especially vast. This fact helps to explain why, of all the medical subjects represented in the collection, \u201cmolecular biology\u201d appears to be the second most frequently occurring subject. Still, an overall review of subjects in PMC points to research in the specialty fields of ophthalmology beginning in 1865, public health starting in 1879, and climate and medicine emerging as early as 1884. What could these early studies tell us about the formative years of these fields of inquiry, and what other articles, or historical trends, might they help to reveal in PMC, and elsewhere?<\/p>\n<p>If we haven\u2019t already enticed you to explore PMC, here are a few more items that we hope will lure your interest: an appeal for justice by <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2356535\/\">Arthur Conan Doyle<\/a>, related to the infamous case of the Parsi English solicitor George Edalji, which reflected contemporary racial prejudice; early research of NIH scientist <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC285511\/\">Marshall Nirenberg<\/a>, then a future Nobel Laureate; an overview of <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC194403\/\">medical libraries<\/a> in World War II-era U.S. Army general hospitals, and an obituary of <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2331784\/\">Elizabeth Blackwell<\/a>, the first woman to receive an MD degree from an American medical school.<\/p>\n<p>So, what are you waiting for? Dive into <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/?Db=pmc&Cmd=DetailsSearch&Term=is+scanned%5bsb%5d\">PMC<\/a>! Encourage your friends and colleagues to explore it. Use the comment feature below to let us know what you discover.<\/p>\n<div>\n<div style=\"text-align: justify; padding-bottom: 110px;\"><span style=\"color: #303030;\"><br \/>\n<em><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/tyler-nix.jpg?ssl=1\" rel=\"attachment wp-att-8554\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8554\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/tyler-nix\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/tyler-nix.jpg?fit=169%2C187&ssl=1\" data-orig-size=\"169,187\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"Tyler Nix\" data-image-description=\"\" data-image-caption=\"<p>Tyler Nix, MSLS, is an Associate Fellow at the National Library of Medicine.<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/tyler-nix.jpg?fit=169%2C187&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/tyler-nix.jpg?fit=169%2C187&ssl=1\" class=\"alignleft wp-image-8554\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/tyler-nix.jpg?resize=100%2C110&ssl=1\" alt=\"Formal portrait with bookshelves.\" width=\"100\" height=\"110\" \/><\/a>Tyler Nix, MSLS, is an Associate Fellow at the National Library of Medicine.<\/em><\/span><\/div>\n<div style=\"text-align: justify; padding-bottom: 110px;\"><span style=\"color: #303030;\"><br \/>\n<em><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/kathryn-funk.png?ssl=1\" rel=\"attachment wp-att-8553\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8553\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/kathryn-funk\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/kathryn-funk.png?fit=200%2C263&ssl=1\" data-orig-size=\"200,263\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"Kathryn Funk\" data-image-description=\"\" data-image-caption=\"<p>Kathryn Funk, MLIS, is Program Specialist for PubMed Central in the National Center for Biotechnology Information at the National Library of Medicine.<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/kathryn-funk.png?fit=200%2C263&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/kathryn-funk.png?fit=200%2C263&ssl=1\" class=\"alignleft wp-image-8553\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/kathryn-funk.png?resize=100%2C132&ssl=1\" alt=\"Informal portrait\" width=\"100\" height=\"132\" \/><\/a>Kathryn Funk, MLIS, is Program Specialist for PubMed Central in the National Center for Biotechnology Information at the National Library of Medicine.<\/em><\/span><\/div>\n<div style=\"text-align: justify; padding-bottom: 118px;\"><span style=\"color: #303030;\"><br \/>\n<em><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/07\/jeffrey-s-reznick.jpg?ssl=1\" rel=\"attachment wp-att-551\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"551\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2013\/07\/02\/the-president-is-somewhat-restless-reenacting-the-summer-of-1881-and-the-days-following-the-assassination-of-president-james-a-garfield\/jeffrey-s-reznick\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/07\/jeffrey-s-reznick.jpg?fit=220%2C298&ssl=1\" data-orig-size=\"220,298\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":""}\" data-image-title=\"Jeffrey S. Reznick\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/07\/jeffrey-s-reznick.jpg?fit=220%2C298&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/07\/jeffrey-s-reznick.jpg?fit=220%2C298&ssl=1\" class=\"alignleft wp-image-551 \" title=\"Jeffrey S. Reznick \" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2013\/07\/jeffrey-s-reznick.jpg?resize=100%2C135&ssl=1\" alt=\"Portrait of Jeffrey S. Reznick in the HMD Reading Room\" width=\"100\" height=\"135\" \/><\/a>Jeffrey S. Reznick, PhD, is Chief of the History of Medicine Division at the National Library of Medicine.<\/em><\/span><\/div>\n<div style=\"text-align: justify; padding-bottom: 135px;\"><span style=\"color: #303030;\"><br \/>\n<em><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/erinnlmresized.png?ssl=1\" rel=\"attachment wp-att-8552\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8552\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2016\/02\/23\/pubmed-central-visualizing-a-historical-treasure-trove\/erinnlmresized\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/erinnlmresized.png?fit=200%2C237&ssl=1\" data-orig-size=\"200,237\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"Erin Zellers\" data-image-description=\"\" data-image-caption=\"<p>Erin Zellers, MLS, is Publication Specialist for PubMed Central in the National Center of Biotechnology and Information at the National Library of Medicine.<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/erinnlmresized.png?fit=200%2C237&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/erinnlmresized.png?fit=200%2C237&ssl=1\" class=\"alignleft wp-image-8552\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/erinnlmresized.png?resize=100%2C118&ssl=1\" alt=\"Informal portrait, outdoors\" width=\"100\" height=\"118\" \/><\/a> Erin Zellers, MLS, is Publication Specialist for PubMed Central in the National Center for Biotechnology and Information at the National Library of Medicine.<\/em><br \/>\n<\/span><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>By Tyler Nix, Kathryn Funk, Jeffrey S. Reznick, and Erin Zellers A wealth of medical history awaits your exploration in<\/p>\n","protected":false},"author":19605840,"featured_media":8574,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"PubMed Central: Visualizing a Historical Treasure Trove - A look at PMC's historical backfiles holdings","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[12763,103],"tags":[541876,106484,96,3984607,186779],"class_list":["post-8551","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-collections","category-news","tag-digital-humanities","tag-digitization","tag-journal","tag-pubmed-central","tag-text-mining"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2016\/02\/meshterm_wordcloud_feature.jpg?fit=932%2C360&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p3xcDk-2dV","jetpack-related-posts":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/posts\/8551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/users\/19605840"}],"replies":[{"embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/comments?post=8551"}],"version-history":[{"count":22,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/posts\/8551\/revisions"}],"predecessor-version":[{"id":45360,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/posts\/8551\/revisions\/45360"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/media\/8574"}],"wp:attachment":[{"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/media?parent=8551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/categories?post=8551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/tags?post=8551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} |