GUPTA, N.; DWIVEDI, S.; ARYA, S.; PANDE, S. Heterotopic pregnancy: a catastrophic event. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 2, n. 3, p. 467–469, 2016. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/121. Acesso em: 14 oct. 2025.