http://oncolink.upenn.edu (also http://oncolink.com) University of Pennsylvania. Cancer information for patients and health professionals. A very good site to retrieve information on cancer for both patients and physicians.
http://www.cancernet.nci.nih.gov National Cancer Institute. Provides information on various types of cancer, latest clinical trials, medical journal articles, support groups, and other resources. Also, cancer prevention and genetic risk factors.
