AIM: To explore the relationship among serum and induced sputum eosinophil cationic protein( ECP), asthmatic airway inflammation and the severity of asthma.

• 目的:探讨血清、导痰嗜酸粒细胞阳离子蛋白(ECP)哮喘气道炎症及哮喘严重程度的关系。