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249 lines
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<p class="tableOfContents"><strong>Table of Contents: <a href="/pubs/techbull/mj15/mj15_issue_cover.html">2015 MAY–JUNE No. 404</a></strong></p>
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<span class="previous"><a href="/pubs/techbull/mj15/brief/mj15_ncbi_webinar_pubmed_commons.html">Previous</a></span> <span class="next"><a href="/pubs/techbull/mj15/brief/mj15_snomed_ct_guide.html">Next</a></span>
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<h1 class="techNoteH1">MEDLINE Milestone Counts </h1>
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<p class="noteCitation">MEDLINE Milestone Counts. NLM Tech Bull. 2015 May-Jun;(404):b2. </p>
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<div class="actions">2015 May 05 <span class="status">[posted]</span>
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<p>
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When all citations now labeled as MEDLINE, including all those created from the <a href="http://www.nlm.nih.gov/databases/databases_oldmedline.html">OLDMEDLINE project</a> (pre-1966 that have now had all their old keywords mapped to current MeSH) are counted, then MEDLINE achieved 20 million citations on October 16, 2012. This PubMed search shows the running count for MEDLINE which is currently over 22 million citations:
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<dl>
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<dd>medline [sb]</dd>
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</dl>
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<p>
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When excluding the OLDMEDLINE-derived subset, MEDLINE from 1966 forward reached 20 million citations on December 17, 2014. This PubMed search shows the running count for MEDLINE minus the OLDMEDLINE subset:
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</p>
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<dd>medline [sb] NOT jsubsetom
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<strong>Last updated:</strong> 05 May 2015</p>
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