Meherishi, S. S., and S. Mangal. “Umbilical Artery Doppler and Biophysical Profile Score: A Study of Their Efficacy in Pregnancy Induced Hypertension and Intrauterine Growth Retardation”. International Journal of Research in Medical Sciences, vol. 5, no. 9, Aug. 2017, pp. 4047-50, doi:10.18203/2320-6012.ijrms20173980.