“A Comparative Study of Extra-Amniotic Saline Infusion (EASI), Foley’s Catheter and Prostaglandin E2(PGE2) Gel for Pre-Induction Cervical Ripening”. Journal of Karnali Academy of Health Sciences, vol. 1, no. 2, Oct. 2018, pp. 28-32, https://doi.org/10.3126/jkahs.v1i2.24134.