方法收集了26例COPD、20例哮喘和12例健康者的血浆及诱导痰标本，采用放射免疫分析法检测SP的浓度。
Method Plasma and sputum samples were obtained from 26 COPD patients and 20 asthmatic patients as well as 12 healthy subjects for measurement of sp content.
方法收集了26例COPD、20例哮喘和12例健康者的血浆及诱导痰标本，采用放射免疫分析法检测SP的浓度。
Method Plasma and sputum samples were obtained from 26 COPD patients and 20 asthmatic patients as well as 12 healthy subjects for measurement of sp content.
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