Chakraborty, Saptarshi, and Surabhi Saharan. 2017. “Uterine Artery Doppler Study for the Prediction and the Severity of the Hypertensive Disorders During Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6 (7):2903-9. https://doi.org/10.18203/2320-1770.ijrcog20172904.