In vitro effect of glucocorticoids on nasal polyps - Valera, Fabiana Cardoso Pereira; Brassesco, Maria Sol; Gamero, Angel Mauricio Castro; Cortez, Maria A.; Queiroz, Rosane Gomes de Paula; Tone, Luiz Gonzaga; Anselmo-Lima, Wilma Terezinha (Brazilian Journal of Otorhinolaryngology, 2011)