L B, O., M. O A, A. F G, and O. A B. “Awareness of Diabetic Retinopathy Among Patients With Diabetes Mellitus in Ilorin, Nigeria”. Sudan Journal of Medical Sciences (SJMS), Vol. 12, no. 2, July 2017, pp. 89-100, doi:10.18502/sjms.v12i2.919.