National Institute on Alcohol Abuse and Alcoholism. (2005, revised 2007). Helping Patients With Alcohol Problems: A Health Practitioner's Guide (NIH Publication No. 07-3769). Washington, DC: National Institutes of Health. Retrieved August 12, 2008, from http://www.niaaa.nih.gov/guide
2.
National Institute on Alcohol Abuse and Alcoholism. (2007). What's a Standard Drink? Helping Patients With Alcohol Problems: A Health Practitioner's Guide National Institute on Alcohol Abuse and Alcoholism. Retrieved August 12, 2008, from http://www.niaaa.nih.gov/NR/rdonlyres/1D2BE3DF-18D7-47EE-98C5-E907C7611929/0/StandardDrink.pdf