Srivastava, S., Parihar, B. C., & Jain, N. (2017). PIERS calculator- predicting adverse maternal outcome in preeclampsia. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(4), 1200–1205. https://doi.org/10.18203/2320-1770.ijrcog20170889