"Ursidae" 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.
The family of carnivorous or omnivorous bears, having massive bodies, coarse heavy fur, relatively short limbs, and almost rudimentary tails.
This graph shows the total number of publications written about "Ursidae" by people in this website by year, and whether "Ursidae" was a major or minor topic of these publications.
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