Jain, S. A.; Chakravarti, N. C. To Compare the Effects of Intra Vaginal Prostaglandin E1 and Intra-Cervical Prostaglandin E2 for Prelabour Ripening of Unfavorable Uterine Cervix in Nulliparous Women. Int J Reprod Contracept Obstet Gynecol 2017, 6, 3381-3386.