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:VRto:Pt:Respiratory system:Qn
volume expired during 1.0 s of forced expiration/forced vital capacity:vrto:pt:respiratory system:qn