Modjadji, S, M Alberts, and R Mamabolo. 2008. “Folate and Iron Status of South African Non-Pregnanat Rural Women of Childbearing Age, before and After Fortification of Foods”. South African Journal of Clinical Nutrition 20 (3), 89-95. http://sajcn.redbricklibrary.com/index.php/SAJCN/article/view/220.