Low Sputum Eosinophils Predict the Lack of Response to Beclomethasone in Symptomatic Asthmatic Patients
Keywords: asthma; beclomethasone dipropionate; eosinophils; induced sputum; ECP = eosinophil cationic protein; PD20 = cumulative dose of methacholine producing a 20% fall in FEV1; PEF = peak expiratory flow; ROC = receiver operating characteristic;