MEDLINE is a comprehensive index to journals in medicine, nursing, dentistry, veterinary medicine and the preclinical sciences. Pubmed provides open access to Medline.
A free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM).
Reference e-books including encyclopedias, dictionaries, atlases, statistical sources, biographical tools, thesauri, books of quotations, image collections, and subject-specific titles across a wide range of disciplines.