PubMed comprises more than 23 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 also includes links to resources and tools from The National Center for Biotechnology Information, which gives access to biomedical and genomic information.
Freely accessible archive of biomedical and life sciences full-text journal articles at National Library of Medicine (U.S. National Institutes of Health).