Oral steroids and doxycycline: two different approaches to treat nasal polyps - Van Zele, T; Gevaert, P; Holtappels, G; Beule, A; Wormald, P J; Mayr, S; Hens, G; Hellings, P; Ebbens, F A; Fokkens, W; Van Cauwenberge, P; Bachert, C (JACI, 2010)