Arshad, Humaira, et al. “COMPARISON OF INDUCTION OF LABOR WITH FOLEY CATHETER AND PROSTAGLANDINS IN POSTDATE PREGNANCIES: Induction of Labor With Foley Catheter And Prostaglandins”. Pakistan Armed Forces Medical Journal, vol. 67, no. 2, Apr. 2017, pp. 243-48, https://pafmj.org/PAFMJ/article/view/363.