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慢性阻塞性肺疾病（COPD）稳定期患者60例，随机分为治疗组30例，男20例，女10例；对照组30例，男19例，女11例。年龄分别为63．5±58岁和64．8±4．7岁。病程分别为18．5±3．8年和19．2±3．5年。全部患者病情稳定，处于非感染期，血气正常，排除肺大泡、气胸、肺肿瘤、器质?
Sixty patients with stable chronic obstructive pulmonary disease (COPD) were randomly divided into treatment group (30 cases), 20 males and 10 females, and control group (30 males and 19 females and 11 females). The ages were 63.5 ± 58 and 64.8 ± 4.7 years respectively. Duration of 18.5 ± 3.8 years and 19.2 ± 3.5 years respectively. All patients in stable condition, in non-infected period, normal blood gas, excluding bullae, pneumothorax, lung cancer, quality?