NLM Classification Updated, April 29, 2010
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 29, 2010.
Twenty-two new class numbers were added and two class numbers were canceled. Eighty MeSH terms were added to the index, including thirty-four new to the MeSH vocabulary as of 2010; in addition, eighty-nine schedule records and five hundred and fourteen index entries were modified since the 2009 edition was published on April 23, 2009.
Contact NLM for further information, questions, or comments.