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United States Department of Homeland Security

"United States Department of Homeland Security" 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 cabinet department in the Executive Branch of the United States Government concerned with administering those agencies and offices having programs pertaining to domestic national security.

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This graph shows the total number of publications written about "United States Department of Homeland Security" by people in this website by year, and whether "United States Department of Homeland Security" was a major or minor topic of these publications.
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