1. World cancer factsheet. Cancer Research UK, London; 2012.
2. Society AC. Breast cancer overview. http://www.cancer.org/cancer/breastcancer/overviewguide/breast-cancer-overview-key-statistics; 2012 [accessed January 9, 2013].
3. Vitamin and mineral supplement use among US adults after cancer diagnosis: a systematic review;Velicer;J Clin Oncol,2008
4. Dietary supplement use by US adults: data from the National Health and Nutrition Examination Survey, 1999–2000;Radimer;Am J Epidemiol,2004
5. Food, nutrition, physical activity, and the prevention of cancer: a global perspective;AICR,2007