Paliwal, S., Shaheen, R., Paliwal, S., Parakh, P., Yadav, K., Chaudhary, G. and Jalandhara, J. (2017) “Comparative role of non-stress test and colour doppler in high risk pregnancy predicted by placental histopathology and foetal outcome”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(4), pp. 1444–1448. doi: 10.18203/2320-1770.ijrcog20171407.