Monday, April 30, 2012

NLM Classification Updated

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News from the National Library of Medicine.
The online National Library of Medicine Classification, available at, has been issued in a newly revised edition as of April 30, 2012.

Summary Statistics for the 2012 NLM Classification
  • 37 class numbers added
  • 178 class number captions or notes modified
  • 4 class numbers canceled
  • 2 Table G numbers (Geographic notation) added for South Korea (JK6) and North Korea (JK7); Korea was moved to the Historical Geographic Locations section retaining the same Table G (JK6)
  • 88 index main headings added
  • 578 index entries modified
  • 218 index headings deleted

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