SINGH, S.; KUMAR, A.; DEY, M. Cervical ectopic pregnancy: a rare complication. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 3, n. 4, p. 1113–1115, 2017. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/2239. Acesso em: 4 dec. 2025.