Edem, D.O., O.U. Eka, I.B. Umoh, A.P. Udoh, and E.J. Akpan. “Effect of Red Palm Oil and Refined Palm Olein on Nutrient Digestion in the Rat”. Pakistan Journal of Nutrition 2, no. 5 (August 15, 2003): 271–278. Accessed July 1, 2025. https://pjnonline.org/pjn/article/view/120.