Adejumo, R. O., O. A. Abiola, and O. G. Longe. 2021. “Performance and Serum Biochemistry of Broiler Chicken Fed Dietary Supplemental Methionine, Choline and Inorganic Sulphate”. Nigerian Journal of Animal Science 23 (1):28-34. https://www.njas.org.ng/index.php/php/article/view/873.