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2011 SEPTEMBER–OCTOBER No. 382
September 01, 2011 [posted]

MEDLINE/PubMed Year-End Processing Activities

The National Library of Medicine® (NLM®) is currently involved in MEDLINE year-end processing (YEP) activities. These include changing the Medical Subject Headings (MeSH®) and Substance Names on existing MEDLINE citations to conform with the 2012 version of MeSH, and other global changes.

Important Dates

For details about the impact on searching from November 16 to mid-December, see: Annual MEDLINE®/PubMed® Year-End Processing (YEP): Impact on Searching During Fall 2011.

For background information on the general kinds of changes made annually, see: Annual MEDLINE®/PubMed® Year-End Processing (YEP): Background Information.

By Sara Tybaert
MEDLARS Management Section

Tybaert S. MEDLINE/PubMed Year-End Processing Activities. NLM Tech Bull. 2011 Sep-Oct;(382):e1.

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