Article Databases on BiologyAgricola -Topics that complement and support biology, i.e. animal science, plant science, earth and environmental science
Environment Complete - Topics that complement and support biology, i.e. ecosystem ecology, marine and freshwater science
PubMed - Free index from the National Library of Medicine
PubMed Central - Small subset of full-text PubMed articles
Academic Search Complete - General topic database
Catalog of U.S. Government Publications - Web interface to Federal publications
Medline - Medical and bilogical sciences database; the largest component of PubMed
Web of Knowledge - is a multidisciplinary citation index to the journal literature of the sciences and social sciences. It fully indexes over 6,650 major journals across 150 scientific disciplines and 1,950 journals across 50 social sciences disciplines. In addition to indexing it includes all cited references captured from indexed articles.