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Unified Medical Language System® (UMLS®)

2008AB MeSH Source Information

The data represented in these reports is meant to provide users:

  • A list of updated and new sources for the current release
  • Descriptive information about selected sources, the information these sources contribute to the Metathesaurus, and how this information is represented in the Metathesaurus.
  • Information in a user-friendly format that can be read online or printed.
  • A better understanding of individual sources in the Metathesaurus.
  • The knowledge to create useful Metathesaurus subsets with MetamorphoSys by:
    • selecting appropriate sources
    • applying filters and options to refine selected source content in customized subsets.
  • Please note that counts and data in users' customized Metathesaurus subsets may differ, and will reflect users' options chosen when configuring subsets in MetamorphoSys.
  • Please send comments and suggestions to http://apps.nlm.nih.gov/mainweb/siebel/nlm/index.cfm. They will be used to help us improve documentation.
  • For information on license restriction levels and license contacts click License Agreement for Use of the UMLS Metathesaurus.
  • For source contact information, HIPAA/CHI standards, and total string counts click Metathesaurus Source Vocabularies.