Forced vital capacity percent change:VRtoPctDiff:Pt:Respiratory system:Qn
forced vital capacity percent change:vrtopctdiff:pt:respiratory system:qn
Forced vital capacity percent change:Percent Volume Ratio Difference:To identify measures at a point in time:Respiratory system:Quantitative
forced vital capacity percent change:percent volume ratio difference:to identify measures at a point in time:respiratory system:quantitative