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Unified Medical Language System

"Unified Medical Language System" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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A research and development program initiated by the NATIONAL LIBRARY OF MEDICINE to build knowledge sources for the purpose of aiding the development of systems that help health professionals retrieve and integrate biomedical information. The knowledge sources can be used to link disparate information systems to overcome retrieval problems caused by differences in terminology and the scattering of relevant information across many databases. The three knowledge sources are the Metathesaurus, the Semantic Network, and the Specialist Lexicon.


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This graph shows the total number of publications written about "Unified Medical Language System" by people in this website by year, and whether "Unified Medical Language System" was a major or minor topic of these publications.
Bar chart showing 4 publications over 4 distinct years, with a maximum of 1 publications in 2007 and 2009 and 2011 and 2018
To see the data from this visualization as text, click here.
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