Thupakula, T.R., Makhija, B. and Haritwal, A. 2020. A prospective randomized comparative study of the efficacy of sustained release vaginal insert versus intracervical gel in primigravidae at term pregnancy. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 9, 4 (Mar. 2020), 1532–1539. DOI:https://doi.org/10.18203/2320-1770.ijrcog20201218.