N., Manuja, Ashok Devoor, and Umashankar . “A Rare Case Report: Heterotopic Pregnancy With Ovarian Ectopic Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 3 (February 27, 2018): 1243–1245. Accessed December 29, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/4207.