RAJA, A. J.; K., S. Unusual umbilical cord finding in a neonate. International Journal of Contemporary Pediatrics, [S. l.], v. 6, n. 6, p. 2685–2687, 2019. DOI: 10.18203/2349-3291.ijcp20194754. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/2680. Acesso em: 23 oct. 2025.