"District of Columbia" 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.
A federal area located between Maryland and Virginia on the Potomac river; it is coextensive with Washington, D.C., which is the capital of the United States.
Below are MeSH descriptors whose meaning is more general than "District of Columbia".
Below are MeSH descriptors whose meaning is more specific than "District of Columbia".
This graph shows the total number of publications written about "District of Columbia" by people in this website by year, and whether "District of Columbia" was a major or minor topic of these publications.
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