1. National Institutes of Health (NIH)
US Government department in charge of medical research.

2. Entrez-PubMed
Search service that provides access to over 10 million citations in MEDLINE, PreMEDLINE, and other related databases, with links to participating online journals. Research affiliation: Center for Research Libraries.
www.ncbi.nlm.nih.gov/entrez/query.fcgi

3. AIDS Patent Database
USPTO Seal. Welcome to the only official Website of the. Search Go. For. Site Overview - New Users, Inventor Resources, Kids, How to Search ...
patents.uspto.gov

4. MedlinePlus
The National Library of Medicine's authoritative and current database of health information for consumers and health professionals. Coverage includes conditions and diseases, drug information, dictionaries, physician and healthcare directories, and links
www.nlm.nih.gov/medlineplus

5. MayoClinic.com
Experts provide current medical information and news on health topics.
www.mayoclinic.com