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NLM Classification updated, April 19, 2007

The online National Library of Medicine Classification, available at //, has been issued in a newly revised edition as of April 19, 2007.

Six new class numbers were added to the schedules and forty-five MeSH terms were added to the index, including twenty-seven new to the MeSH vocabulary as of 2007; in addition, thirty-two schedule records and one hundred sixty-four index entries were updated since the 2006 edition was published on April 6, 2006.

Contact NLM for further information, questions, or comments.