International Journal of OtolaryngologyVolume 2014 (2014), Article ID 717419, 8 pages
http://dx.doi.org/10.1155/2014/717419
Review Article
1Department of Otorhinolaryngology and Head and Neck Surgery, Brasília University Hospital, HUB, SGAN 605, Avenida L2 Norte, 70830-200 Brasília, DF, Brazil
2Universidade de Brasília (UnB), Campus Universitário Darcy Ribeiro, 70910-900 Brasília, DF, Brazil
2Universidade de Brasília (UnB), Campus Universitário Darcy Ribeiro, 70910-900 Brasília, DF, Brazil