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Sheep, Bighorn

"Sheep, Bighorn" 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 species of sheep, Ovis canadensis, characterized by massive brown horns. There are at least four subspecies and they are all endangered or threatened.

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