PILLAI, P. S.; NARAYANAN, N.; CHACKO, L. An evaluation of cardiac murmurs in new-born. International Journal of Contemporary Pediatrics, [S. l.], v. 4, n. 5, p. 1652–1657, 2017. DOI: 10.18203/2349-3291.ijcp20173706. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/1081. Acesso em: 16 nov. 2025.