phrenic nerve activity ( pn ) and ventral medullary ph ( vm ph ) responses to pbh ( 1 % co-40 % o2-balance n2 ) were determined in anesthetized , paralyzed , peripherally chemodenervated , vagotomized cats while fraction of end-tidal co2 ( fetco2 ) and mean arterial blood pressure ( mabp ) were maintained constant .
C1527348
pbh
C0030054
o2