FAQ
Added or Changed NLM Classification Numbers

Question: Has NLM added or changed any NLM classification numbers since the last edition of the NLM classification scheme?

Answer:

- additions and changes to the NLM classification scheme are announced on an irregular basis in the NLM Technical Bulletin at http://www.nlm.nih.gov/pubs/techbull/tb.html
- the most recent lists of additions and changes are highlighted under "Classification and Subject Analysis" on the NLM Cataloging Section Home Page at http://www.nlm.nih.gov/tsd/cataloging/mainpge.html

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Last updated: 05 May 2004
First published: 01 January 1998
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FAQAdded or Changed NLM Classification Numbers