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What's in PubMed?

pie graph showing that 87% of PubMed records are MEDLINE, 8% are out of scope for MEDLINE, and 5% are future MEDLINE
  • More than 30 million records representing articles in the biomedical literature and a small selection of items from the NCBI Books database.
  • Most PubMed records are MEDLINE citations. 
  • Other records include those in different stages of processing (including records provided directly from the journal publisher) but destined to be MEDLINE citations.
  • A relatively small number of records that are included in PubMed but not selected for MEDLINE. 

PubMed does not contain full-text articles.

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Last Reviewed: October 28, 2019