Expiratory gas flow.max^post therapy:VRat:Pt:Respiratory system.airway:Qn:Peak flow meter
expiratory gas flow.max^post therapy:vrat:pt:respiratory system.airway:qn:peak flow meter
Maximum expiratory gas flow Respiratory system airway by Peak flow meter --post therapy
maximum expiratory gas flow respiratory system airway by peak flow meter --post therapy