Rajpal, H., H. Kaur, and U. Miglani. “Dilemma in Diagnosing Ovarian Ectopic Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 9, no. 3, Feb. 2020, pp. 1296-9, doi:10.18203/2320-1770.ijrcog20200920.