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<title>Technical Notes. NLM Technical Bulletin. Mar-Apr 2002</title>
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<meta name="DC.Subject.Keyword" content="Chemical Carcinogenesis Research Information System" />
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<meta name="DC.Subject.Keyword" content="Clinical Queries" />
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<meta name="DC.Subject.Keyword" content="Directory of Health Organizations" />
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<h3><a name = "gateway">New Version of NLM Gateway Released - March 4, 2002</a></h3>
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<p><table border="1" width="200" cellpadding="5" align="right">
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<tr><td>
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<center><font size="4" face="helvetica, arial"><strong>Technical Notes</strong></font></center><br />
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<font size="2" face="helvetica, arial">
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<a href = "#gateway" class="TEXT">New Version of NLM Gateway Released - March 4, 2002</a><br /><br />
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<a href = "#class" class="TEXT">New NLM Classification Numbers Added</a><br /><br />
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<a href = "#gateway2" class="TEXT">New Version of NLM Gateway Released - April 9, 2002</a><br /><br />
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<a href = "#data" class="TEXT">CCRIS®, ChemID<em>plus</em>, DIRLINE®, Gene-TOX, HSDB®, and TOXLINE® Special Now Distributed to Licensees in XML Format</a><br /><br />
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<a href = "#umls" class="TEXT">Unified Medical Language (UMLS) Knowledge Sources (2002AA) and the New UMLS Knowledge Source Server Available</a><br /><br />
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<a href = "#mla" class="TEXT">2002 MLA Meeting Reminder and NLM Invitation</a><br /><br />
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<a href = "#tutorial" class="TEXT">NLM Announces a New Version of the PubMed Tutorial</a><br /><br />
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<a href = "#special" class="TEXT">Display Order for PubMed Results</a><br /><br />
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</font></td></tr>
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</table>
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<font size="2"><strong>March 08, 2002</strong> [posted]</font>
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<p>
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On March 4, 2002, a new version of the NLM Gateway was released. Please see <a href="http://gateway.nlm.nih.gov/gw/Cmd?What's+New.x">What's New</a> on the NLM Gateway sidebar for details.
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</p>
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/ma02/ma02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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<h3><a name = "class">New NLM Classification Numbers Added</a></h3>
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<font size="2"><strong>March 19, 2002</strong> [posted]</font>
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<p>
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Note the following addition to the <em>National Library of Medicine Classification</em>, 5th edition 1994, rev. 1999 since the publication of this tool in September 2000:
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</p>
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<dl>
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<dt>WA 487.5.H4 Health Personnel
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<dd> In the main schedule at WA 487.5, add:<br />
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<dl>
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<dd>.H4 Health Personnel</dd>
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</dl>
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<br /><br />
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</dd>
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<dd>In the index under Health Personnel, add:<br />
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<dl>
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<dd>Accidents in the provision of health care WA 487.5.H4</dd>
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</dl>
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<br /><br />
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</dd>
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<dt>WG 141.5.M2 Magnetic Resonance Imaging
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</dt>
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<dd>In the main schedule at WG 141.5, add:<br />
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<dl>
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<dd>.M2 Magnetic Resonance Imaging</dd>
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</dl>
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<br /><br />
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</dd>
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<dd>In the index under Magnetic Resonance Imaging, add:<br />
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<dl>
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<dd>Used in the diagnosis of a particular disease, with
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the disease, organ, or region, e.g., in Cardiovascular Diseases WG 141.5.M2
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</dd>
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</dl>
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<br /><br />
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</dd>
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<dd>In the index under Cardiovascular System, add:<br />
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<dl>
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<dd>Magnetic Resonance Imaging WG 141.5.M2</dd>
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</dl>
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</dd>
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</dl>
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/ma02/ma02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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<h3><a name = "gateway2">New Version of NLM Gateway Released - April 9, 2002</a></h3>
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<font size="2"><strong>April 16, 2002</strong> [posted]</font>
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<p>
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On April 9, 2002, a new version of the NLM Gateway was released. Please see <a href="http://gateway.nlm.nih.gov/gw/Cmd?What's+New.x">What's New</a> on the NLM Gateway sidebar for details.
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</p>
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/ma02/ma02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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<h3><a name = "data">CCRIS<sup>®</sup>, ChemID<em>plus</em>, DIRLINE<sup>®</sup>, Gene-TOX, HSDB<sup>®</sup>, and TOXLINE<sup>®</sup> Special Now Distributed to Licensees in XML Format</a></h3>
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<font size="2"><strong>April 24, 2002</strong> [posted]</font>
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<p>
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The National Library of Medicine is pleased to announce distribution of CCRIS, ChemIDplus, DIRLINE, Gene-TOX, HSDB, and TOXLINE Special in XML (eXtensible Markup Language) format to NLM's data licensees. NLM will continue to distribute CCRIS, Gene-TOX, and HSDB in the soon-to-be-discontinued ASCII format for several more months as some licensees make their transition to XML. Fact sheets for these databases are available from the NLM Web site.
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</p>
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<p>
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NLM began to distribute MEDLINE in XML in 2000 (see <a href="http://www.nlm.nih.gov/news/medlinedata.html">NLM to use XML and DTD for MEDLINE Data</a>). DTDs (Document Type Definition) have now been written to define the XML format for the databases named above. Instructions for getting the DTDs and sample records in XML format and <a href="/databases/leased.html">general information</a> on leasing NLM databases are available. <a href="/bsd/licensee.html">Announcements</a> dated March 12 and April 8, 2002 to existing licensees about these files, collectively referred to as the TOXNET files, appear on NLM's Web site for licensees.
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</p>
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<p>
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CCRIS, ChemIDplus, Gene-TOX, HSDB, and TOXLINE Special may be searched at no cost at <a href="http://toxnet.nlm.nih.gov/">http://toxnet.nlm.nih.gov/</a> and DIRLINE may be searched at no cost at <a href="http://dirline.nlm.nih.gov/">http://dirline.nlm.nih.gov/</a> as well as through the <a href="http://gateway.nlm.nih.gov/gw/Cmd">NLM Gateway</a>.
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</p>
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/ma02/ma02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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<h3><a name = "umls">Unified Medical Language (UMLS) Knowledge Sources (2002AA) and the New UMLS Knowledge Source Server Available</a></h3>
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<font size="2"><strong>April 24, 2002</strong> [posted]</font><br />
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<p>
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The latest release of the Unified Medical Language System (UMLS) Knowledge Sources (2002AA) and the new UMLS Knowledge Source server are available at <a href="http://www.nlm.nih.gov/research/umls/umlsmain.html">http://www.nlm.nih.gov/research/umls/umlsmain.html</a>. Documentation for licensees about downloading the 2002 data, information about basic and advanced searching, support of the Application Program Interface (API), and availability of the old command line interface and server through June 2002 are included at this site.
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</p>
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/ma02/ma02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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<h3><a name = "mla">2002 MLA Meeting Reminder and NLM Invitation</a></h3>
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<font size="2"><strong>April 24, 2002</strong> [posted]</font><br />
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<p>
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The Annual Meeting of the Medical Library Association (MLA) will be held May 17-23, 2002 in Dallas. Attendees are invited to visit the NLM exhibit booth (May 18-21) to meet NLM staff and see NLM's Web products. The NLM Theater at the booth will feature demonstrations and tutorials on a wide variety of topics, including: PubMed, <em>ClinicalTrials.gov</em>, the NLM Gateway, MEDLINE<em>plus</em>, Profiles in Science, LocatorPlus, Unified Medical Language System, TOXNET, Health Services Research and more.
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</p>
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<dl>
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<dt>While at the meeting in Dallas, consider taking an MLA continuing education class taught by NLM and RML staff. For example: <br /><br /></dt>
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<dd>Friday, May 17, 1:00 p.m. - 5:00 p.m.:</dd>
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<dd><em>Write for Success: National Library of Medicine (NLM) and National Network of Libraries of Medicine (NN/LM) Funding</em><br /><br /></dd>
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<dd>Saturday, May 18, 8:00 a.m. - 5:00 p.m.:</dd>
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<dd><em>Measuring the Difference : Strategies for Improving and Evaluating Health Information Outreach Programs</em><br /><br /></dd>
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<dd>Saturday, May 18, 10:00 a.m. - 5:00 p.m.:</dd>
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<dd><em>What is this Thing Called the Unified Medical Language System (UMLS) and Why Do I Care?</em><br /><br /></dd>
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<dd>Wednesday, May 22, 1:00 p.m. - 5:00 p.m.:</dd>
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<dd><em>Making PubMed Work for You</em><br /><br /></dd>
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</dl>
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<p>
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Further course and symposia details are available at [This link was removed because it is no longer valid.], or contact MLA at (312) 419-9094.
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</p>
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<dl>
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<dt>Also, please plan to attend: <br /><br /></dt>
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<dd><em>NLM Update</em> on Tuesday, May 21, 2002, 9:00 a.m. - 10:30 a.m. in the Lone Star Ballroom B/C.
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<br /><br />
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</dd>
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<dd><em>NLM Online Users' Meeting "Sunrise Seminar"</em> on Monday, May 20, 7:00 a.m. - 8:15 a.m. in the San Antonio Ballroom A/B.<br />
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A brief DOCLINE<sup>®</sup> update will be included.
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<br /><br />
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</dd>
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</dl>
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<p>
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Please join us at these events! Additional information or changes to this information will be announced in the Technical Notes section of the <em>NLM Technical Bulletin</em>.
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</p>
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/ma02/ma02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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<h3><a name = "tutorial">NLM Announces a New Version of the PubMed Tutorial </a></h3>
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<font size="2"><strong>April 24, 2002</strong> [posted]</font><br />
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<p>
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The National Library of Medicine is pleased to release a new version of the <a href="/bsd/pubmed_tutorial/m1001.html">PubMed Tutorial</a>. As always, the tutorial is available from the PubMed sidebar.
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</p>
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<p>
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The PubMed Services module now includes Systematic Reviews. Click on the Clinical Queries tab for more information.
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</p>
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<p>
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This version also includes many new screenshots that reflect changes to PubMed since the last time the Tutorial was updated.
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</p>
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/ma02/ma02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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<!--
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/ma02/ma02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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<h3><a name = "special">Display Order for PubMed Results</a></h3>
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<font size="2"><strong>January xx, 2002</strong> [posted]</font>
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<p>
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When citations are initially added to PubMed they are assigned an Entrez Date. The Entrez Date is the date the citation is added to PubMed and does not change. The Entrez Date does not correspond to the date the article was published (Date of Publication). The order of display for Pubmed results is based on the Entrez Date. The last citations entered into PubMed are the first displayed in the results.
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</p>
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<p>
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When NLM converted the former specialty files (e.g., BIOETHICSLINE) some citations appeared in MEDLINE/PubMed for the very first time. As they were new to PubMed, they were given relatively recent Entrez Dates. (e.g., The BIOETHICSLINE conversion occurred in late October 2001.) These citations will display before citations with earlier Entrez Dates regardless of when the articles were published.
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</p>
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<p>
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Use the PubMed Sort feature (Pub Date) to redisplay the results based on Dates of Publication rather than Entrez Date.
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</p>
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<p>
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NLM will convert the former POPLINE specialty file to MEDLINE/PubMed soon. Citations new to PubMed will have recent Entrez Dates regardless of the date the articles were published.
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</p>
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<center><img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/> <a href = "/pubs/techbull/jf02/jf02_technote.html">top of page</a> <img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" alt= "black line separating technical notes" width="50" height="1"/></center><br /><br />
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