Gas flow at 25-75% of forced expiration:VRat:Pt:Respiratory system:Qn:Predicted
gas flow at 25-75% of forced expiration:vrat:pt:respiratory system:qn:predicted
Gas flow at 25-75% of forced expiration:VRat:Pt:Respiratory system:Qn:Predicted
gas flow at 25-75% of forced expiration:vrat:pt:respiratory system:qn:predicted