Malhotra, Khushboo, Archana Kumari, and H. P. Anand. 2020. “Comparison of Modified Biophysical Profile and Doppler Ultrasound in Prediction of Perinatal Outcome in High-Risk Pregnancies”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9 (7):2808-12. https://doi.org/10.18203/2320-1770.ijrcog20202713.