SARKAR, M.; SINHA, A. K.; ROUT, N. Effect of vents on the output of hearing Aids. Bangladesh Journal of Otorhinolaryngology, [S. l.], v. 18, n. 1, p. 59–62, 2012. DOI: 10.3329/bjo.v18i1.10420. Disponível em: https://banglajol.info/index.php/BJO/article/view/10420. Acesso em: 30 nov. 2021.