Determination of sputum eosinophil count and serum absolute eosinophil count in patients with bronchial asthma and its correlation with disease severity and response to treatment

测定支气管哮喘患者痰液嗜酸性粒细胞计数和血清绝对嗜酸性粒细胞计数及其与疾病严重程度和治疗反应的相关性