KHAN, S.; SINGH, T.; MAITI, G. Acardia anceps: the monster twin; twin reversed arterial perfusion (TRAP) syndrome. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 7, n. 11, p. 4775–4778, 2018. DOI: 10.18203/2320-1770.ijrcog20184547. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/5598. Acesso em: 14 oct. 2025.