E. M. Shetty and A. Neravi, “A comparative study of vaginal misoprostol, dinoprostone gel, foley catheter, extra amniotic saline infusion along with vaginal misoprostol for induction of labor at term”, Int J Reprod Contracept Obstet Gynecol, vol. 9, no. 9, pp. 3683–3687, Aug. 2020.