Omalizumab is effective in allergic and nonallergic patients with nasal polyps and asthma - Gevaert, P; Calus, L; Van Zele, T; Blomme, K; De Ruyck, N; Bauters, W; Hellings, P; Brusselle, G; De Bacquer, D; Van Cauwenberge, P; Bachert, C (J Allergy Clin Immunol)