Guidelines for the diagnosis and treatment of acute and subacute rhinosinusitis in children.

Esposito, S; Principi, N; ITALIAN SOCIETY OF, Pediatrics; ITALIAN SOCIETY OF PEDIATRIC, Infectivology; ITALIAN SOCIETY OF PEDIATRIC ALLERGOLOGY AND, Immunology; ITALIAN SOCIETY OF PEDIATRIC RESPIRATORY, Diseases; ITALIAN SOCIETY OF PREVENTIVE AND SOCIAL, Pediatrics; ITALIAN SOCIETY OF, Otorhinolaringology; ITALIAN SOCIETY OF, Chemotherapy; Plebani, Alessandro