*Coulter ID, Hardy ML, Morton SC, Hilton LG, Tu W, Valentine D, Shekelle PG: Antioxidants vitamin C and vitamin e for the prevention and treatment of cancer, J Gen Intern Med. 2006 Jul;21(7):735-44 | *Coulter ID, Hardy ML, Morton SC, Hilton LG, Tu W, Valentine D, Shekelle PG: Antioxidants vitamin C and vitamin e for the prevention and treatment of cancer, J Gen Intern Med. 2006 Jul;21(7):735-44 |