Velaphi, Sithembiso. “Nutritional Requirements and Parenteral Nutrition in Preterm Infants”. South African Journal of Clinical Nutrition 24, no. 5 (September 9, 2011): S27-S31. Accessed December 22, 2024. http://sajcn.redbricklibrary.com/index.php/SAJCN/article/view/577.