Napier, Carin, Heleen Grobbelaar, and Wilna Oldewage-Theron. “An Introduction to the Food-Based Dietary Guidelines for the Elderly in South Africa”. South African Journal of Clinical Nutrition 34 (September 22, 2021): S1-S8. Accessed March 28, 2024. http://sajcn.co.za/index.php/SAJCN/article/view/1559.