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Federal
Medical Subject Headings (MeSH)
U.S. Department of Health & Human Services —
Medical Subject Headings (MeSH) is a hierarchically-organized terminology for indexing and cataloging of biomedical information. It is used for the indexing of PubMed... -
Federal
Catalog Record Data
U.S. Department of Health & Human Services —
NLM produces bibliographic records for books, journals and other materials from NLM's collections in NLMXML, MARCXML and MARC 21 formats. These records can be...