Friday, April 24, 2009

NLM Classification

News from the National Library of Medicine.
The online National Library of Medicine Classification ... has been issued in a newly revised edition as of April 23, 2009.

Seventeen new class numbers were added to the main schedules and four new class numbers were added to the 19th Century schedule. One class number was canceled. Eighty-one MeSH terms were added to the index, including thirty-four new to the MeSH vocabulary as of 2009; in addition, seventy-one schedule records and five hundred and eighty index entries were updated since the 2008 edition was published on April 24, 2008.

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