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Bookshelf ID: NBK9676
Cover of UMLS® Reference Manual

UMLS® Reference Manual

Bethesda (MD): National Library of Medicine (US); September 2009-.

The UMLS® Reference Manual describes the Unified Medical Language System (UMLS) Knowledge Sources and related tools that are produced and distributed by the National Library of Medicine, a part of the National Institutes of Health in the U.S. Department of Health and Human Services.

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