Singh, N., Dubey, P., Gupta, N., Dwivedi, S., Balyan, R., & Chandanan, A. (2017). Comparative study of various tocolytics in preterm labour. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 4(2), 334–337. Retrieved from https://www.ijrcog.org/index.php/ijrcog/article/view/1876