Expiratory gas flow.max:VRat:Pt:Respiratory system.airway:Qn
expiratory gas flow.max:vrat:pt:respiratory system.airway:qn
Expiratory gas flow.max:Volume Rate:To identify measures at a point in time:Respiratory system.airway:Quantitative
expiratory gas flow.max:volume rate:to identify measures at a point in time:respiratory system.airway:quantitative