Motswagole, Boitumelo, S Matenge, T Mongwaketse, J Bogopa, R Kobue-Lekalake, K Mosetlha, and L Kwape. 2015. “Application of the Deuterium-Oxide Dose-to-Mother Technique to Determine the Exclusivity of Breastfeeding in Women in Kanye, Botswana”. South African Journal of Clinical Nutrition 28 (3), 128-33. http://sajcn.co.za/index.php/SAJCN/article/view/918.