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MeSH is:

  • an acronym for Medical Subject Headings.
  • the U.S. National Library of Medicine’s controlled vocabulary (thesaurus).
  • a vocabulary that gives uniformity and consistency to the indexing and cataloging of biomedical literature.
  • a distinctive feature of MEDLINE.
  • arranged in a hierarchical manner called the MeSH Tree Structures.
  • updated annually.


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Crossref logs the citations and updates the citation counts for each work. You can retrieve citation counts through our public APIs.