Gas flow at 50% of forced expiration/Gas flow at 50% of forced inspiration^post bronchodilation:RelVRat:Pt:Respiratory system:Qn
gas flow at 50% of forced expiration/gas flow at 50% of forced inspiration^post bronchodilation:relvrat:pt:respiratory system:qn
Gas flow at 50% of forced expiration/Gas flow at 50% of forced inspiration^post bronchodilation:Relative Volume Rate:To identify measures at a point in time:Respiratory system:Quantitative
gas flow at 50% of forced expiration/gas flow at 50% of forced inspiration^post bronchodilation:relative volume rate:to identify measures at a point in time:respiratory system:quantitative