Cancer Studies at the National Institutes of Health Clinical Center: Questions and Answers (National Cancer Institute) - http://cis.nci.nih.gov/fact/1_22.htm
Complementary and Alternative Medicine Cancer Clinical Trials (Office of Cancer Complementary and Alternative Medicine) - http://www3.cancer.gov/occam/trials.html
More Choices in Cancer Care: Information for Beneficiaries on Medicare Coverage of Cancer Clinical Trials (National Cancer Institute) - http://cis.nci.nih.gov/fact/8_14.htm
How Vitamin C Is Administered Affects How Much Reaches the Bloodstream and May Affect the Results of Studies of Its Potential Effect on Cancer (American College of Physicians) - http://www.annals.org/cgi/content/full/140/7/I-61
New Study Suggests that Death Rates for Some Cardiac and Cancer Surgeries May Be Linked to Surgeons' Experience (Agency for Healthcare Research and Quality) - http://www.ahrq.gov/news/press/pr2003/surgvolpr.htm