Tarciso Schirmbeck1; Antonio Augusto Velasco e Cruz2
DOI: 10.1590/S0004-27492007000600019
1,Universidade de São Paulo Faculdade de Medicina de Ribeirão Preto Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery
2,USP Faculdade de Medicina de Ribeirão Preto Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery