GAUR, N.; GOYAL, P. K.; JHA, M. Unruptured unilateral twin ectopic pregnancy: a rare case report. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 9, n. 5, p. 2151–2153, 2020. DOI: 10.18203/2320-1770.ijrcog20201822. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/8124. Acesso em: 12 oct. 2025.