Ramos Sérgio, Ramos Henrique F, Ramos Rosangela F, Peixoto Carlos A M, Ramos Bernardo F
Health Sciences Center, Federal University of Espirito Santo, ENT Department, Brazil.
Braz J Otorhinolaryngol. 2010 Nov-Dec;76(6):794. doi: 10.1590/s1808-86942010000600020.