TUYET XUONG, N.; TRAN, V. D. Prevalence of hearing loss among preschool children in Hanoi, Vietnam. International Journal of Contemporary Pediatrics, [S. l.], v. 6, n. 4, p. 1501–1505, 2019. DOI: 10.18203/2349-3291.ijcp20192623. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/2668. Acesso em: 6 jan. 2026.