Chong, Jia S., York L. Chew, Ayendra Fernando, and Sivalingam Nalliah. 2020. “Efficacy and Safety of Prostaglandins Vs Double Balloon Catheter in Inducing Labor: A Meta-Analysis”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9 (10):4274-89. https://doi.org/10.18203/2320-1770.ijrcog20204325.