S., L.; K., R. A rare case of fetus papyraceous presenting in monozygotic biamniotic twins. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 9, n. 1, p. 448–449, 2019. DOI: 10.18203/2320-1770.ijrcog20196066. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/7640. Acesso em: 29 dec. 2025.