Morphometric evaluation of the sphenopalatine forame for endoscopic surgery - Scanavini, Adriana Bernardini Antunes; Anselmo-Lima, Wilma Terezinha; Megale, Silvia R.; Navarro, João Adolfo Caldas; Scanavini Júnior, Rui Carlos (World Congress of the International Federation of Otorhinolaryngological Societies, 2005)