• 2022-06-16 问题

    诊断COPD的标准是() A: AFEV<sub>1</sub>/FVC<50% B: BFEV<sub>1</sub>/FVC<60% C: CFEV<sub>1</sub>/FVC<70% D: DFEV<sub>1</sub>/FVC<80% E: EFEV<sub>1</sub>/FVC<90%

    诊断COPD的标准是() A: AFEV<sub>1</sub>/FVC<50% B: BFEV<sub>1</sub>/FVC<60% C: CFEV<sub>1</sub>/FVC<70% D: DFEV<sub>1</sub>/FVC<80% E: EFEV<sub>1</sub>/FVC<90%

  • 1