Bansal, P., D. Verma, A. Bansal, and A. Verma. “Prenatal Risk Score in High Risk Pregnancy Cases and Perinatal Outcome: A Study from South India”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 11, Dec. 2016, pp. 3889-92, doi:10.18203/2320-1770.ijrcog20163859.