Gowda, V.B.T. and Kalidoss, M. 2021. Efficacy of oral nifedipine as a tocolytic agent. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 10, 9 (Aug. 2021), 3450–3454. DOI:https://doi.org/10.18203/2320-1770.ijrcog20213468.