"Demonstration of ethanol-induced protein adducts in oral leukoplakia (pre-cancer) and cancer". Journal of Oral Pathology & Medicine. 37 (3): 157–165. doi:10.1111/j.1600-0714.2007.00605.x. ↑ Alcohol and oral cancer research breakthrough Archived 2 May 2009 at the Wayback Machine. ↑ "What Are the Risk Factors for Breast Cancer?".