Kaul, S., and B. Rami. “A Prospective Study of Foetomaternal Outcome in Placenta Praevia”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 8, no. 10, Sept. 2019, pp. 4028-33, doi:10.18203/2320-1770.ijrcog20194375.