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NLM Classification Updated, April 30, 2013

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 30, 2013.

Summary Statistics for the 2013 NLM Classification                                                           

  • 32 class numbers added
  • 59 class number captions or notes modified; indentation levels changed; schedule headers revised
  • No class numbers canceled
  • 1 Table G number (Geographic notation) added for GB1- Balkan Peninsula
  • 108 index main headings added (40 from 2013 MeSH)
  • 411 index entries modified
  • 218 index headings deleted

Contact NLM for further information, questions, or comments.

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