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