Antineutrophil cytoplasmic antibodies in chronic rhinosinusitis may be a marker of undisclosed vasculitis - Gonçalves, Carla; Pinaffi, Juliana V.; Carvalho, Jozélio F.; Pinna, Fabio R.; Constantino, Guilherme T.; Voegels, Richard L.; Bueno, Cleonice; Bonfá, Eloisa; Viana, Vilma S.T. (American Journal of Rhinology, 2007)