Methods Vital capacity(VC) and its component expiratory capacity(ERV) and inspiratory capacity(IC) were detected in 37 stable patients with COPD and the data were analyzed statistically.

• 方法 测定 37例缓解期COPD患者的VC及其组成补呼气容积 (ERV)和深吸气量 (IC) ,并对所得数据进行统计学处理。