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.
Provides citations and abstracts for the journal literature of medicine, nursing, dentistry, veterinary medicine, and the preclinical sciences. Articles are indexed using National Library of Medicine's controlled vocabulary, MeSH (Medical Subject Headings). MEDLINE citations published in Index Medicus, and corresponds in part to the International Nursing Index and the Index to Dental Literature.