Omokanye, L.O., A.W.O. Olatinwo, A.G. Salaudeen, A.D. Ajiboye, and K.A. Durowade. 2017. “A 5-Year Review of Pattern of Placenta Previa in Ilorin, Nigeria”. International Journal of Health Sciences 11 (2). https://pub.qu.edu.sa/index.php/journal/article/view/1567.