Sharma, S. S., A. V. Gokhale, S. Agarwal, J. Hindocha, and A. Kondhia. “Abnormal Placentation at a Tertiary Care Centre”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 9, no. 9, Aug. 2020, pp. 3770-4, doi:10.18203/2320-1770.ijrcog20203854.