the dose effect of caffeine ( 10-70 mg/kg iv ) on pulmonary ventilation ( ve ) , mean inspiratory flow ( vt/ti ) , and tracheal pressure generated 0.3 and 0.5 s ( p0.3 and p0.5 , respectively ) after the onset of inspiration against airway occluded at end expiration was studied in cats anesthetized with pentobarbital sodium ( 35 mg/kg ip ) breathing various gas mixtures .
C0004048
inspiration
C0035203
breathing