fourteen preterm infants with apnea ( body weight , 1052 +/- 44 g ; gestational age , 30.2 +/- 0.5 wks ; and postnatal age , 9.9 +/- 1.5 days ) were studied in an effort to evaluate the effects of aminophylline on respiratory center output and respiratory reflex activity in the preterm infant with idiopathic apnea .
C0002575
aminophylline
C0003578
apnea