Kharel, Sangita, et al. “Efficacy and Safety of Intravaginal Misoprostol Versus Intracervical Foley’s Catheter for Cervical Ripening”. Journal of General Practice and Emergency Medicine of Nepal, vol. 1, no. 01, Dec. 2010, pp. 19-24, https://nepjol.info/index.php/jgpemn/article/view/88746.