Mehta, N. A., and M. N. Fonseca. “A Rare Case of Abdominal Pregnancy: Diagnostic and Therapeutic Challenges”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 9, no. 3, Feb. 2020, pp. 1288-91, doi:10.18203/2320-1770.ijrcog20200918.