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NLM Classification Updated

The online National Library of Medicine Classification, available at //, was issued in a newly revised edition on April 19, 2004.

Six new class numbers were added to the Schedules and ninety-four MeSH terms were added to the Index, including sixty-five new to the MeSH vocabulary as of 2004; in addition, over fifty Schedule records and over three hundred index entries were updated since the 2003 revised edition was published on July 14, 2003.

Requests for further information, questions, or comments should be addressed to: