McKersie, Joanna, and Maryna Louise Baard. “Obesity in 7 - 10-Year-Old Children in Urban Primary Schools in Port Elizabeth”. South African Journal of Sports Medicine 26, no. 2 (June 15, 2014): 55–58. Accessed May 4, 2024. https://journals.assaf.org.za/index.php/sajsm/article/view/397.