Methods Sixty patients with chronic obstructive pulmonary disease were divided into two groups. In the treatment group, 36 patients received BCG PSN 0.5mg intramuscular injection, quaque die alterna, for 18 times.

• 方法 将 6 0例稳定期慢性阻塞性肺病患者随机分为治疗组和对照组 ；治疗组 36例接受卡介菌多糖核酸 0 .；5 mg肌肉注射；隔日1次；共 18次 ;