_(15), (?) _(50) and FEP as indices of small airway function in addition to VC, MVV, FEV_1% and MMEF.

• 认为肺功能检查项目,除VC、MVV、FEV_1%25和MMEF外,有条件应增加V_(50)、V_(25)和FEP等小气道功能检查;