Serfontein, M., C. Venter, A. Kruger, U. Maclntyre, and P. Pisa. “Alcohol Intake and Micronutrient Density in a Population in Transition: The THUSA Study”. South African Journal of Clinical Nutrition, Vol. 22, no. 5, Aug. 2009, pp. S22-S28, http://sajcn.redbricklibrary.com/index.php/SAJCN/article/view/280.