Brazilian Journal of Otorhinolaryngology, Vol 82, Iss 3, Pp 275-280 Brazilian Journal of Otorhinolaryngology v.82 n.3 2016 Brazilian Journal of Otorhinolaryngology Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial (ABORL-CCF) instacron:ABORL-CCF