Methods The PEFV curves and MEFV curves were measured in smokers, chronic obstructive pulmonary disease ( COPD) and cor pulmonale patients. Results The change of m. v. 方法用FJD-80型及LR-80型肺功能仪测定了吸烟者、慢性阻塞性肺疾病(COPD,慢阻肺)和肺心病患者的PEFV曲线和最大呼气流量-容积(MEFV)曲线。
In 1998, M. Brookhart group in American and V. C. 1998年,美国的M。