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Keywords
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Institution

Controlled Substances

"Controlled Substances" 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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Drugs or chemical agents whose manufacture, possession, or use are regulated by government. This may include narcotics and prescription medications.


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This graph shows the total number of publications written about "Controlled Substances" by people in this website by year, and whether "Controlled Substances" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.
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