Mac-Inegite, O. K. Jose O’obagaiye, and A. Owolabi Olumuyiwa. 1998. “The Riboflavin Intakes of a Cross-Section of the Nigerian Populace”. The Indian Journal of Nutrition and Dietetics 35 (2):31-37. http://www.informaticsjournals.com/index.php/ijnd/article/view/14833.