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<div class="pre-content"><div><div class="bk_prnt"><p class="small">NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.</p></div></div></div>
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<div class="main-content lit-style" itemscope="itemscope" itemtype="http://schema.org/Book"><div class="meta-content fm-sec"><div class="iconblock whole_rhythm clearfix no_top_margin"><a href="http://www.ncbi.nlm.nih.gov/" title="National Center for Biotechnology Information (US)" class="img_link icnblk_img" ref="pagearea=logo&targetsite=external&targetcat=link&targettype=publisher"><img class="source-thumb" src="/corehtml/pmc/pmcgifs/bookshelf/thumbs/th-styleguide-lrg.png" alt="Cover of The NCBI Style Guide" /></a><div class="icnblk_cntnt"><h1 id="_NBK988_"><span itemprop="name">The NCBI Style Guide</span></h1><div class="half_rhythm">Bethesda (MD): <a href="http://www.ncbi.nlm.nih.gov/" ref="pagearea=meta&targetsite=external&targetcat=link&targettype=publisher"><span itemprop="publisher">National Center for Biotechnology Information (US)</span></a>; <span itemprop="datePublished">2004</span>-.</div><div><a href="/books/about/copyright/">Copyright Notice</a></div></div></div></div><div class="body-content whole_rhythm" itemprop="text"><div itemprop="description"><p>Many questions about grammar and consistency arise throughout the course of a day's
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work, and having one place to go for help with these questions speeds the completion
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of the task at hand.</p><p>People approach their tasks from two viewpoints—one of producing an NCBI website or
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Bookshelf content, and one of producing content to be published outside of NCBI.
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“The NCBI Style Guide” is geared toward helping people produce NCBI websites and
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Bookshelf content by providing specific examples of uses typical to NCBI. There are
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portions of “The NCBI Style Guide” that provide advice on technical writing in
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general, as well as a list of other suggested style guides that may be helpful to
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people producing content to be published elsewhere. Bear in mind that for content
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published elsewhere, the suggestions for specific styles may not apply.</p><p>“The NCBI Style Guide” is basically divided into two main parts, General Writing
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Skills and NCBI-specific Styles, to provide some assistance to people in both
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groups.</p></div><div><h2>Contents</h2><ul id="toc_tllNBK988_toc_A363" class="simple-list toc toc-toggle"><li class="half_rhythm" id="toc_itm_NBK988_toc_A363"><a class="toc-item" href="/books/n/styleguide/A363/">Preface</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_I_bxml"><a class="toc-item" href="/books/n/styleguide/I.bxml/">Part I. General Writing Skills</a><ul id="toc_lst_NBK988_toc_I_bxml" class="simple-list toc bktoc_lst_exp"><li class="half_rhythm" id="toc_itm_NBK988_toc_A135"><a class="toc-item" href="/books/n/styleguide/A135/">Chapter 1. How to Begin</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A380"><a class="toc-item" href="/books/n/styleguide/A380/">Chapter 2. Standards and Guides to Style</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A201"><a class="toc-item" href="/books/n/styleguide/A201/">Chapter 3. Grammar Reminders and a Little Technical Writing</a><ul id="toc_lst_NBK988_toc_A201" class="simple-list toc bktoc_lst_exp"><li class="half_rhythm" id="toc_itm_NBK988_toc_A207"><a class="toc-item" href="/books/n/styleguide/A201/#A207">Anthropomorphism</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A209"><a class="toc-item" href="/books/n/styleguide/A201/#A209">Common Errors</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A243"><a class="toc-item" href="/books/n/styleguide/A201/#A243">Gender Neutral</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A399"><a class="toc-item" href="/books/n/styleguide/A201/#A399">Hedging</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A244"><a class="toc-item" href="/books/n/styleguide/A201/#A244">Point of View: First Person, Second Person, Third Person</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A202"><a class="toc-item" href="/books/n/styleguide/A201/#A202">Scientific English: Past, Present, and Simple</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A249"><a class="toc-item" href="/books/n/styleguide/A201/#A249">Subject–Verb Agreement</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A251"><a class="toc-item" href="/books/n/styleguide/A201/#A251">Voice: Active <i>versus</i> Passive</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A254"><a class="toc-item" href="/books/n/styleguide/A201/#A254">Wordy Constructions to Avoid, Substitutions of Common Phrases, Plainer Synonyms</a></li></ul></li></ul></li><li class="half_rhythm" id="toc_itm_NBK988_toc_II_bxml"><a class="toc-item" href="/books/n/styleguide/II.bxml/">Part II. NCBI-specific Styles</a><ul id="toc_lst_NBK988_toc_II_bxml" class="simple-list toc bktoc_lst_exp"><li class="half_rhythm" id="toc_itm_NBK988_toc_A146"><a class="toc-item" href="/books/n/styleguide/A146/">Chapter 4. Writing for the Web Environment</a><ul id="toc_lst_NBK988_toc_A146" class="simple-list toc bktoc_lst_exp"><li class="half_rhythm" id="toc_itm_NBK988_toc_A147"><a class="toc-item" href="/books/n/styleguide/A146/#A147">Going Public</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A393"><a class="toc-item" href="/books/n/styleguide/A146/#A393">Constructing Searchable Web Pages</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A148"><a class="toc-item" href="/books/n/styleguide/A146/#A148">Keep Your Web Pages Current</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A151"><a class="toc-item" href="/books/n/styleguide/A146/#A151">Glossaries on the Web</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A152"><a class="toc-item" href="/books/n/styleguide/A146/#A152">Itemized Lists</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A189"><a class="toc-item" href="/books/n/styleguide/A146/#A189">Outlines in Web Help Documents</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A196"><a class="toc-item" href="/books/n/styleguide/A146/#A196">Web Pages without Reference Lists: Making Citations</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A198"><a class="toc-item" href="/books/n/styleguide/A146/#A198">NCBI Standard Abbreviations and Frequently Used Word Forms</a></li></ul></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A255"><a class="toc-item" href="/books/n/styleguide/A255/">Chapter 5. Style Points and Conventions</a><ul id="toc_lst_NBK988_toc_A255" class="simple-list toc bktoc_lst_exp"><li class="half_rhythm" id="toc_itm_NBK988_toc_A256"><a class="toc-item" href="/books/n/styleguide/A255/#A256">Amino Acids</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A259"><a class="toc-item" href="/books/n/styleguide/A255/#A259">Capitalization</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A261"><a class="toc-item" href="/books/n/styleguide/A255/#A261">Centrifugation</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A385"><a class="toc-item" href="/books/n/styleguide/A255/#A385">Colons</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A262"><a class="toc-item" href="/books/n/styleguide/A255/#A262">Commas</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A265"><a class="toc-item" href="/books/n/styleguide/A255/#A265">Concentrations</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A266"><a class="toc-item" href="/books/n/styleguide/A255/#A266">Dashes</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A271"><a class="toc-item" href="/books/n/styleguide/A255/#A271">Decimal Points</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A272"><a class="toc-item" href="/books/n/styleguide/A255/#A272">Degrees</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A273"><a class="toc-item" href="/books/n/styleguide/A255/#A273">e.g.</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A274"><a class="toc-item" href="/books/n/styleguide/A255/#A274">et al</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A275"><a class="toc-item" href="/books/n/styleguide/A255/#A275">etc</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A276"><a class="toc-item" href="/books/n/styleguide/A255/#A276">Emphasis</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A277"><a class="toc-item" href="/books/n/styleguide/A255/#A277">Equations</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A386"><a class="toc-item" href="/books/n/styleguide/A255/#A386">Foreign Words</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A278"><a class="toc-item" href="/books/n/styleguide/A255/#A278">Genes and Protein Designations</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A279"><a class="toc-item" href="/books/n/styleguide/A255/#A279">Hyphens</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A291"><a class="toc-item" href="/books/n/styleguide/A255/#A291">-ical</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A292"><a class="toc-item" href="/books/n/styleguide/A255/#A292">i.e.</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A293"><a class="toc-item" href="/books/n/styleguide/A255/#A293">in vitro, in vivo</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A294"><a class="toc-item" href="/books/n/styleguide/A255/#A294">Italics</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A387"><a class="toc-item" href="/books/n/styleguide/A255/#A387">Latin</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A295"><a class="toc-item" href="/books/n/styleguide/A255/#A295">Lists</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A296"><a class="toc-item" href="/books/n/styleguide/A255/#A296">Math</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A297"><a class="toc-item" href="/books/n/styleguide/A255/#A297">Numbers/Numerals</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A312"><a class="toc-item" href="/books/n/styleguide/A255/#A312">Probability</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A388"><a class="toc-item" href="/books/n/styleguide/A255/#A388">Proofreaders' Marks</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A313"><a class="toc-item" href="/books/n/styleguide/A255/#A313">Punctuation</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A314"><a class="toc-item" href="/books/n/styleguide/A255/#A314">Quotation Marks</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A316"><a class="toc-item" href="/books/n/styleguide/A255/#A316">Restriction Enzymes</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A389"><a class="toc-item" href="/books/n/styleguide/A255/#A389">Semicolons</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A318"><a class="toc-item" href="/books/n/styleguide/A255/#A318">Spelling</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A327"><a class="toc-item" href="/books/n/styleguide/A255/#A327">Statistics</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A335"><a class="toc-item" href="/books/n/styleguide/A255/#A335">Symbols</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A337"><a class="toc-item" href="/books/n/styleguide/A255/#A337">Time</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A338"><a class="toc-item" href="/books/n/styleguide/A255/#A338">Trademarks, Trade/Supplier Names</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A339"><a class="toc-item" href="/books/n/styleguide/A255/#A339">Units of Measure</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A340"><a class="toc-item" href="/books/n/styleguide/A255/#A340">versus</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A341"><a class="toc-item" href="/books/n/styleguide/A255/#A341">X-ray</a></li></ul></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A402"><a class="toc-item" href="/books/n/styleguide/A402/">Chapter 6. Special Content</a><ul id="toc_lst_NBK988_toc_A402" class="simple-list toc bktoc_lst_exp"><li class="half_rhythm" id="toc_itm_NBK988_toc_A403"><a class="toc-item" href="/books/n/styleguide/A402/#A403">Appendices</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A404"><a class="toc-item" href="/books/n/styleguide/A402/#A404">Boxes</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A405"><a class="toc-item" href="/books/n/styleguide/A402/#A405">Figures</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A406"><a class="toc-item" href="/books/n/styleguide/A402/#A406">References</a></li><li class="half_rhythm" id="toc_itm_NBK988_toc_A416"><a class="toc-item" href="/books/n/styleguide/A402/#A416">Tables</a></li></ul></li></ul></li></ul></div></div></div>
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