Nasal polyposis: More than a chronic inflammatory disorder-A disease of mechanical dysfunction -the São Paulo position - Pezato, Rogerio; Voegels, Richard Louis; Pignatari, Shirley; Gregorio, Luiz Carlos; Bezerra, Thiago Freire Pinto; Gregorio, Luciano; Balsalobre, Leonardo; Tepedino, Miguel Soares; Coronel, Nathalia; Pinna, Fabio de Rezende; Alencar, Adriano Mesquita (International archives of otorhinolaryngology, 2019)