Gopane, R., P. Pisa, H. Vorster, A. Kruger, and B. Margetts. “Relationships of Alcohol Intake With Biological Health Outcomes in an African Population in Transition: The THUSA Study”. South African Journal of Clinical Nutrition, Vol. 22, no. 5, Aug. 2009, pp. S16-S21, http://sajcn.co.za/index.php/SAJCN/article/view/278.