Morphometric evaluation of the sphenopalatine forame for endoscopic surgery - Scanavini, Adriana Bernardini Antunes; Anselmo-Lima, Wilma Terezinha; Megale, S. R. M. C. L.; Navarro, J. A. C. (International Symposium on Infection and Allergy of the Nose (ISIAN, 2005)