A. C. Nsonwu-Anyanwu, E. R. Egbe, J. S. Offor, and C. A. O. Usoro, “Glycemic control, micronutrients and some metabolic enzyme activity in type 2 diabetes”, Int J Res Med Sci, vol. 3, no. 10, pp. 2757–2764, Jan. 2017.