Expiratory gas flow.max/Expiratory gas flow.max.predicted^post bronchodilation:RelVRat:Pt:Respiratory system.airway:Qn
expiratory gas flow.max/expiratory gas flow.max.predicted^post bronchodilation:relvrat:pt:respiratory system.airway:qn
Maximum expiratory gas flow/Predicted maximum expiratory gas flow Respiratory system airway --post bronchodilation
maximum expiratory gas flow/predicted maximum expiratory gas flow respiratory system airway --post bronchodilation