MEDLINE

MEDLINE is the U.S. National Library of Medicine’s bibliographic database of biomedical and life sciences journal articles, indexed with controlled subject headings.

Medical Subject Headings: A controlled vocabulary used by the National Library of Medicine to index biomedical literature. MeSH headings provide MEDLINE’s consistent subject indexing across differing article terminology.
MEDLINE journal selection: The National Library of Medicine’s process for selecting journals for MEDLINE indexing. Journal review establishes the quality and scope standards behind MEDLINE coverage.
Systematic review: A structured review that uses predefined methods to identify, assess, and synthesize research evidence. Review teams search MEDLINE as a core source for eligible biomedical studies.
Embase: A biomedical and pharmacological literature database produced by Elsevier. Embase overlaps with MEDLINE but has distinct coverage and Emtree indexing.
MEDLINE citation: A bibliographic record describing a journal article indexed in MEDLINE. Each citation carries the descriptive fields and indexing used to retrieve an article.
NLM Literature Selection Technical Review Committee: An advisory committee that evaluates biomedical journals for potential inclusion in MEDLINE. The committee recommends journals for indexing after assessing scientific and editorial quality.
PRISMA: Reporting guidelines for documenting systematic reviews and meta-analyses. PRISMA reporting makes MEDLINE search methods and record selection transparent.
CINAHL: A bibliographic database focused on nursing and allied health literature. CINAHL emphasizes nursing sources that MEDLINE may cover less comprehensively.
MEDLINE indexing: The process of assigning subject terms and other metadata to records in MEDLINE. Indexers apply MeSH and publication data to make records searchable by topic.
MEDLINE data elements: The structured bibliographic and indexing fields stored in MEDLINE records. Fields such as title, authors, publication date, and MeSH terms support precise queries.

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Pathological Conditions, Signs and SymptomsRelated: MEDLINE uses MeSH indexing to make records about conditions searchable by subject.