Medline Resources

PubMed

PubMed comprises more than 20 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.

Medscape

Medscape is a free medical information site with news, links, and several search engines. The most useful are the medline search and the drug search. Registration is free, but required to use Medscape’s search engines.