Indexing and searching of MEDLINE/PubMed(<Special feature>Database and indexing policy)

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  • ABE Shinichi
    The Jikei University School of Medicine Academic Information Center

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  • MEDLINE/PubMedの索引と検索(<特集>データベースと索引方針)
  • MEDLINE/PubMedの索引と検索
  • MEDLINE PubMed ノ サクイン ト ケンサク

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Description

Medical Subject Headings (MeSH) is the thesaurus of PubMed. Understanding MeSH helps one to understand the indexing of PubMed. Descriptors of MeSH are divided into 16 of categories, and each descriptor has a hierarchy of 11 levels. A specialty staff of 100, who have a bachelor of life science or higher degree, does indexing of citations of PubMed with MeSH. The indexing is supported by computer programs such as the MeSH Browser. PubMed is indexed with various descriptors, such as "Major Topic", "Check Tag", and "Publication Type", as well as with a combination of MeSH descriptors. To performing an appropriate search the indexing of PubMed should be precisely understood. MeSH was created in 1960 and is revised annually. Persons searching PubMed should pay attention to yearly revisions of MeSH.

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