Karena, Z. V., Mehta, A. D., Vaghela, H. M., & Shah, H. R. (2022). Prediction of perinatal outcome in high-risk pregnancy by Doppler ultrasound: a prospective cohort study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 11(9), 2431–2436. https://doi.org/10.18203/2320-1770.ijrcog20222306