PubMed**THE MAJOR DATABASES FOR BIOMEDICAL SCIENCES**
PubMed comprises more than 33 million citations from over 5,500. biomedical peer-reviewed journals from MEDLINE, and online books from the NCBI Bookshelf collection. Citations with abstracts may include links to full text content from PubMed Central and publisher web sites. Subject coverage includes clinical and experimental medicine, as well as the biological sciences that support the medical sciences.