Chronic rhinosinusitis with nasal polyps: changing expectations
Otavio B. Piltcher
Affiliations
Otavio B. Piltcher
Depto de Oftalmologia e Otorrinolaringologia da UFRGS, Hamburgh Fellow Univseristy of Pittsburgh School of Medicine, Avenida Bento Gonçalves 8083/2, Porto Alegre, RS, Brazil
