Volume expired during 1.0 s of forced expiration/Forced vital capacity percent change:VPctDiff:Pt:Respiratory system:Qn
volume expired during 1.0 s of forced expiration/forced vital capacity percent change:vpctdiff:pt:respiratory system:qn
Volume expired during 1.0 s of forced expiration/Forced vital capacity percent change:Percent Volume Difference:To identify measures at a point in time:Respiratory system:Quantitative
volume expired during 1.0 s of forced expiration/forced vital capacity percent change:percent volume difference:to identify measures at a point in time:respiratory system:quantitative