In vitro modelling and its relation to in vivo absorption.
D000328:Adult; D001702:Biopharmaceutics; D002648:Child; D003692:Delayed-Action Preparations; D004353:Drug Evaluation, Preclinical; D006801:Humans; D007408:Intestinal Absorption; D013806:Theophylline / Q000008:administration & dosage / Q000378:metabolism*
D003692:Delayed-Action Preparations; D013806:Theophylline