Nair, R. V., R. Sri S., and J. Ponmalar. “A Study of Obstetric and Fetal Outcome of Placenta Previa in Scarred and Unscarred Uterus”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 11, no. 11, Oct. 2022, pp. 3093-6, doi:10.18203/2320-1770.ijrcog20222801.