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Medical Subject Headings

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Definition: Controlled vocabulary thesaurus produced by the NATIONAL LIBRARY OF MEDICINE. It consists of sets of terms naming descriptors in a hierarchical structure that permits searching at various levels of specificity.  CATALOG: use NAF entry   
See Also MEDLINE
Other names Subject Headings, Medical; Subject Heading, Medical; Medical Subject Heading; MeSH Headings

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012

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