Volume at 25-75% of forced expiration.post bronchodilation/Volume at 25-75% of forced expiration.predicted:RelVol:Pt:Respiratory system:Qn
volume at 25-75% of forced expiration.post bronchodilation/volume at 25-75% of forced expiration.predicted:relvol:pt:respiratory system:qn
FEV 25-75% p BD meas/pred
fev 25-75% p bd meas/pred