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哮喘是我国儿童常见病，其病因复杂，发病机理尚未完全阐明。作者测定了24例哮喘发作期患儿血浆内皮素含量，并与20例正常儿童对照，探讨其临床意义。1对象与方法1．1对象哮喘患儿24例，年龄3～7岁，其中男15例，女19例，符合儿童哮喘诊断标准和治疗常规［1］。对照组20例，年?
Asthma is a common disease in children in our country. Its etiology is complicated and its pathogenesis has not been completely elucidated. The authors measured plasma endothelin levels in 24 asthmatic children and compared them with 20 normal children to investigate their clinical significance. 1 Subjects and Methods 1.1 Object 24 children with asthma, aged 3 to 7 years old, 15 males and 19 females, in line with diagnostic criteria for children with asthma and treatment of conventional [1]. Control group of 20 patients, year?