"Qatar" 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 country in the Middle East, a peninsula bordering the Persian Gulf and Saudi Arabia. The capital is Doha.
This graph shows the total number of publications written about "Qatar" by people in this website by year, and whether "Qatar" was a major or minor topic of these publications.
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