National Library of Medicine (MEDLINE)
National Library of Medicine Consumer Website (MEDLINEplus)
MEDLINEplus will direct you to information to help answer health questions. MEDLINEplus brings together, by health topic, authoritative information from NLM, the National Institutes of Health (NIH), other government, non-profit and otherhealth-related organizations. Preformulated MEDLINE searches are included in MEDLINEplus and give easy access to the medical research literature. It also provides you with a database of full-text drug information and an illustrated medical encyclopedia.
New York Public Library Health Information
Search Scirus from Biomednet