Swarray-Deen, A., J. Coleman, J. D. Seffah, J. Osei-Agyapong, K. Doffour Dapaah, P. Anum, P. Sepenu, and A. K. Boateng. “Massive Subchorionic Thrombohematoma: A Case Report Demonstrating Serial Sonographic Changes”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 11, no. 3, Feb. 2022, pp. 938-43, doi:10.18203/2320-1770.ijrcog20220582.