PubMed comprises more than 28 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites. PubMed is maintained by U.S. National Institutes of Health's National Library of Medicine (NIH/NLM) and is freely accessible to all Web users.
International coverage of journal articles, selected web sites, and patents in the sciences, social sciences, and humanities; provides citation tracking for 1996+ (select coverage for earlier periods) and cited reference searches back to 1970.
The largest resource devoted to peer-reviewed literature in behavioral science and mental health. It contains over 3 million records and summaries dating as far back as the 1600s with one of the highest DOI matching rates in the publishing industry. Journal coverage, which spans from the 1800s to the present, includes international material selected from around 2,500 periodicals in dozens of languages.
