originally: http://www.oclc.org/research/projects/termservices/resources/mesh.htm
MeSH® — Medical Subject Headings vocabulary
The Medical Subject Headings (MeSH®) thesaurus is a controlled vocabulary produced by the National Library of Medicine and used for indexing, cataloging, and searching for biomedical and health-related information and documents.
The MeSH® 2005 vocabulary contains 22,995 descriptor records, 83 qualifier records, and 509,645 descriptor/qualifier combinations, for a total of 532,723 records.
The MeSH® 2006 vocabulary contains 23,885 descriptor records, 83 qualifier records, and 534,976 descriptor/qualifier combinations, for a total of 558,944 records.
The value '20050110' is used as
«expr»
for the
The value '20051209' is used as
«expr»
for the
Please send comments or questions to: kos@oclc.org.