Meherishi, S. S., & Mangal, S. (2017). 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, 5(9), 4047–4050. https://doi.org/10.18203/2320-6012.ijrms20173980