Ositadinma, Ifeanyichukwu, Ngwu Martina, and Eluke Chekwube. “Relationship Among HbA1c and Some Markers of Endothelial Damage in Type 2 Diabetes Mellitus”. International Blood Research & Reviews 9, no. 2 (May 11, 2019): 1-6. Accessed January 28, 2020. http://www.journalibrr.com/index.php/IBRR/article/view/30097.