Volume expired during 1.0 s of forced expiration/Forced vital capacity:VRto:Pt:Respiratory system:Qn
volume expired during 1.0 s of forced expiration/forced vital capacity:vrto:pt:respiratory system:qn
Volume expired during 1.0 s of forced expiration/Forced vital capacity:Volume Ratio:To identify measures at a point in time:Respiratory system:Quantitative
volume expired during 1.0 s of forced expiration/forced vital capacity:volume ratio:to identify measures at a point in time:respiratory system:quantitative