Jamshidi-Naeini, Yasaman, Gugulethu Moyo, Carin Napier, and Wilna Oldewage-Theron. “Food and Beverages Undermining Elderly Health: Three Food-Based Dietary Guidelines to Avoid or Delay Chronic Diseases of Lifestyle Among the Elderly in South Africa”. South African Journal of Clinical Nutrition 34 (September 22, 2021): S27-S40. Accessed January 27, 2022. http://www.sajcn.co.za/index.php/SAJCN/article/view/1563.