the pharmacokinetics of four sustained-release formulations of theophylline have been examined after single doses ( nuelin sa , phyllocontin , slo-phyllin and theo-dur ) and at steady-state ( phyllocontin , theo-dur ) in six healthy adult volunteers , selected because they all eliminated theophylline rapidly after an intravenous dose of aminophylline .
C0039771
theophylline
C0700044
slo-phyllin