J.K., D. S.; ROY, D. P. K. Vanishing Twin, Natures Choice: Vanishing Twin, Natures Choice. National Journal of Integrated Research in Medicine, [S. l.], v. 4, n. 5, p. 107–109, 2013. Disponível em: http://nicpd.ac.in/ojs-/index.php/njirm/article/view/606. Acesso em: 12 may. 2024.