SUHANDRI, W.; RIANDI, D. A heterotopic pregnancy at 12 weeks pregnancy . International Surgery Journal, [S. l.], v. 11, n. 6, p. 967–969, 2024. DOI: 10.18203/2349-2902.isj20241306. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/10380. Acesso em: 20 oct. 2025.