MEDLINE is the U.S. National Library of Medicine® (NLM) premier bibliographic database that contains more than 23 million references to journal articles in life sciences with a concentration on biomedicine. A distinctive feature of MEDLINE is that the records are indexed with NLM Medical Subject Headings (MeSH®). MEDLINE is the online counterpart to MEDLARS® (MEDical Literature Analysis and Retrieval System) that originated in 1964.
MEDLINE is the primary component of PubMed®, part of the Entrez series of databases provided by the NLM National Center for Biotechnology Information (NCBI).
Source: Currently, citations from more than 5,600 worldwide journals in about 40 languages; about 60 languages for older journals. Citations for MEDLINE are created by the NLM, international partners, and collaborating organizations.
HOW ARE MEDLINE, PubMed and PubMed Central different?
PubMed has been available since 1996. Its more than 25 million references include the MEDLINE database plus the following types of citations:
|Field Abbreviation||Field Name||Field Abbreviation||Field Name|
|TX||All Text||NP||Named Person|
|CA||Corporate Author||RN||CAS Registry Entry|
|MJ||Word in Major Subject Headings||PR||SCR Protocol|
|MW||Word in Subject Headings||SP||Start Page|
|MM||Exact Major Subject Headings||SB||Journal & Citation Subset|
|MH||Exact Subject Headings||CI||Contributed Indexing|
|GM||Geographic Subject Major||SU||Subjects|
|GN||Geographic Subject Minor||TI||Title|
|DT||Date of Publication (CCYYMMDD)||JN||Publication [Exact]|
|EM||Date Created||SO||Publication Name|
|CD||Date Completed||TT||Transliterated Title|
|GS||Gene Symbol||UD||Update Code|