MeSH Browser

MeSH Heading: MEDLARS
Tree Number(s): L01.313.500.750.280.710; L01.313.500.750.300.710
Unique ID: D008523
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D008523
Annotation: CATALOGER: Use NAF entry
Scope Note: A computerized biomedical bibliographic storage and retrieval system operated by the NATIONAL LIBRARY OF MEDICINE. MEDLARS stands for Medical Literature Analysis and Retrieval System, which was first introduced in 1964 and evolved into an online system in 1971 called MEDLINE (MEDLARS Online). As other online databases were developed, MEDLARS became the name of the entire NLM information system while MEDLINE became the name of the premier database. MEDLARS was used to produce the former printed Cumulated Index Medicus, and the printed monthly Index Medicus, until that publication ceased in December 2004.
Entry Term(s): MEDLARS-MEDLINE Information System; Medical Literature Analysis and Retrieval System
Previous Indexing: Information Systems (1966-1977); National Library of Medicine (U.S.) (1966-1977)
Public MeSH Note: 1991; see MEDLARS-MEDLINE INFORMATION SYSTEM 1978-1990
History Note: 1991 (1978)
Date Introduced: 1978/01/01
Last Updated: 2018/06/29

Allowable Qualifiers: classification (CL)

economics (EC)

ethics (ES)

history (HI)

instrumentation (IS)

legislation & jurisprudence (LJ)

standards (ST)

statistics & numerical data (SN)

supply & distribution (SD)

trends (TD)

Concept UI: M0013277
Scope Note: A computerized biomedical bibliographic storage and retrieval system operated by the NATIONAL LIBRARY OF MEDICINE. MEDLARS stands for Medical Literature Analysis and Retrieval System, which was first introduced in 1964 and evolved into an online system in 1971 called MEDLINE (MEDLARS Online). As other online databases were developed, MEDLARS became the name of the entire NLM information system while MEDLINE became the name of the premier database. MEDLARS was used to produce the former printed Cumulated Index Medicus, and the printed monthly Index Medicus, until that publication ceased in December 2004.
Terms: MEDLARS Preferred Term
Term UI T025379
Date01/01/1999
LexicalTag ACR
ThesaurusID NLM (1978); MEDLARS-MEDLINE Information System
Term UI T025380
Date01/09/1978
LexicalTag NON
ThesaurusID UNK (19XX); Medical Literature Analysis and Retrieval System
Term UI T025381
Date03/22/1990
LexicalTag NON
ThesaurusID NLM (1991)

MEDLARS MeSH Descriptor Data 2026