NLM Classification Updated, April 28, 2011
The online National Library of Medicine Classification, available at http://www.nlm.nih.gov/class/, has been issued in a newly revised edition as of April 28, 2011.
Forty-six (46) new class numbers were added and three (3) class numbers were canceled. Sixty-nine (69) MeSH terms were added to the index, including forty-one (41) new to the MeSH vocabulary as of 2011; in addition, one hundred and seventy-eight (178) class number captions or schedule notes and six hundred and six (606) index entries were modified since the 2010 edition was published on April 29, 2010.
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