1. National Center for Complementary/Integrative Health (NCCIH) of the National Institutes of Health Are You Considering Complementary Medicine? https://nccih.nih.gov/health/decisions/consideringcam.htm
2. National Center for Complementary/Integrative Health (NCCIH) of the National Institutes of Health What is complementary and alternative medicine? http://nccih.nih.gov/health/whatiscam/
3. Complementary or alternative medicine in cancer care - myths and realities;Deng;Nat Rev Clin Oncol,2013
4. Cancer quackery: the persistent popularity of useless, irrational 'alternative' treatments;Cassileth;Oncology,2012
5. Alternative cancer cures: “unproven” or “disproven”?;Vickers;CA Cancer J Clin,2004