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NLM Classification Updated

The online National Library of Medicine Classification, available at http://wwwcf.nlm.nih.gov/class/, was issued in a newly revised edition on July 14, 2003. This revision incorporates all new Index headings resulting from MeSH terms added to the 2003 vocabulary and selected for addition to the Index.

The new edition contains 133 new MeSH concepts and nearly seven hundred index entries were brought into closer compliance with MeSH; in addition, four new Schedule numbers were added and 40 Schedule records were maintained since the 2002 revised edition was published on February 4, 2003.

Requests for further information, questions, or comments should be addressed to: custserv@nlm.nih.gov.