Dahiya, P., Jain, S., Gupta, N., sen, J. and Jain, N. 2016. Comparative study of transperineal and transvaginal sonography for localization of placenta in antepartum haermorrhage. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 5, 1 (Dec. 2016), 48–52. DOI:https://doi.org/10.18203/2320-1770.ijrcog20151496.