Fourie, M, G Gericke, and M Kruger. “Body Composition and Intake of Nutrients Associated With Bone Metabolism in Young Adolescents in a Peri-Urban Setting”. South African Journal of Clinical Nutrition 32, no. 4 (December 4, 2019): 12-19. Accessed March 29, 2020. http://sajcn.co.za/index.php/SAJCN/article/view/1440.