Absorption of theophylline from two sustained release formulations.
D000328:Adult; D003692:Delayed-Action Preparations; D006801:Humans; D007408:Intestinal Absorption; D007700:Kinetics; D008297:Male; D013806:Theophylline / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism*
D003692:Delayed-Action Preparations; D013806:Theophylline