Jogi, Sangeeta Raman. 2017. “To Compare the Efficacy of Drotaverine Hydrochloride and Valethamate Bromide in Shortening of the First Stage of Labour”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 4 (4):1038-43. https://doi.org/10.18203/2320-1770.ijrcog20150402.