UTHPALA, V.; GRACELYN, J. L. Study of risk factors associated with ectopic pregnancy: an observational study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 11, n. 5, p. 1397–1401, 2022. DOI: 10.18203/2320-1770.ijrcog20221266. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/11715. Acesso em: 13 oct. 2025.