GULATI, G.; DAS, B.; ., D. Twin foetus papyraceous in triplet pregnancy. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 4, n. 4, p. 1214–1216, 2017. DOI: 10.18203/2320-1770.ijrcog20150461. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/2105. Acesso em: 26 oct. 2025.