Miller, Makenzie, Wilna Oldewage-Theron, and Carin Napier. “Eat Clean and Safe Food: A Food-Based Dietary Guideline for the Elderly in South Africa”. South African Journal of Clinical Nutrition 34 (September 22, 2021): S41-S50. Accessed March 28, 2024. http://www.sajcn.co.za/index.php/SAJCN/article/view/1564.