Goyal, A.S., Goel, S., Gupta, M. and Vaishnav, G. 2016. Relationship between umblical artery Doppler and perinatal outcomes in Indian women with oligohydramnios. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 5, 4 (Dec. 2016), 1187–1191. DOI:https://doi.org/10.18203/2320-1770.ijrcog20160882.