PubMed
PubMed is the publicly available version of MEDLINE and combines the National Library of Medicine's bibliographic database with links to the complete text of articles from leading medical journals. The database offers information related to the fields of medicine, nursing, dentistry, veterinary medicine, the health care system, and pre-clinical sciences. PubMed includes citations to articles from 1966 to the present and links from citations to full-text articles from 100 journals 1990 to the present. Produced by the U.S. National Library of Medicine and National Institutes of Health.