title: Abnormal absorption of a sustained-release theophylline preparation.
mesh_terms: D000042:Absorption; D001249:Asthma / Q000188:drug therapy; D002648:Child; D002908:Chronic Disease; D003692:Delayed-Action Preparations; D006801:Humans; D007700:Kinetics; D008297:Male; D013806:Theophylline / Q000097:blood / Q000378:metabolism* / Q000627:therapeutic use
chemical_list: D003692:Delayed-Action Preparations; D013806:Theophylline