Biology Best Bets

Multidisciplinary database of journal articles (including peer reviewed), books, book chapters, reports, conference proceedings, etc. Coverage: 1887-present.
Medical topics relating to research, clinical practice, administration, policy issues, dentistry, nursing, and health care. Free database from the National Institutes of Health. Citations to biomedical literature from the MEDLINE database, journal articles, and online books. See also Medline. Coverage: 1951-present.
Scopus is the largest abstract and citation database of peer-reviewed literature: scientific journals, books and conference proceedings. Delivering a comprehensive overview of the world's research output in the fields of science, technology, medicine, social sciences, and arts and humanities, Scopus features smart tools to track, analyze and visualize research.