04/30/09 The SNOMED CT®: Spanish Release, April 2009 is available for download.
04/06/09 The 2009AA edition of the UMLS Knowledge Sources is available for download.
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The NLM Unified Medical Language System (UMLS) project develops and distributes multi-purpose, electronic "Knowledge Sources" and associated lexical tools for system developers. Researchers will find the UMLS products useful in investigating knowledge representation and retrieval questions.
Last reviewed: 15 April 2009 Last updated: 30 April 2009 First published: 01 January 1999 Metadata| Permanence level: Permanence Not Guaranteed