Halothane^during expiration:VFr/PPres:Pt:Gas delivery system.expiratory limb:Qn
halothane^during expiration:vfr/ppres:pt:gas delivery system.expiratory limb:qn
Halothane [VFr/PPres] Gas delivery system.expiratory limb --during expiration
halothane [vfr/ppres] gas delivery system.expiratory limb --during expiration