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