the pharmacokinetic parameters ( mean +/- sd ) ka , k , auc , and f/v for theophylline from the rapid release theophylline anhydrous tablets were 2.1 +/- 1.3 hr-1 , 0.15 +/- 0.06 hr-1 , 89.2 +/0 39 microgram hr/ml , and 0.0023 +/- 0.002 kg/ml , respectively ;
C0039771
theophylline
C0304441
theophylline anhydrous