the mean slope , an indicator of the average change in theophylline clearance , was 2.19 for the aminophylline group and 3.27 for the aminophylline plus phenobarbital group ( p greater than 0.2 ) , indicating that the theophylline clearance for neonates receiving phenobarbital was not significantly different from that for neonates receiving aminophylline alone .
C1874197
aminophylline
C0002575
aminophylline