Tasneem, F., and V. Shanbhag. “A Case Series on Conservative Management in Pregnancies With Abnormal Placentation in Obstetrics: Placenta Accrete, Increta and Percreta”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 7, no. 12, Nov. 2018, pp. 5193-6, doi:10.18203/2320-1770.ijrcog20184993.