New facts about the theophyllines.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004338:Drug Combinations; D004357:Drug Synergism; D006801:Humans; D007223:Infant; D007700:Kinetics; D008875:Middle Aged; D013806:Theophylline / Q000008:administration & dosage / Q000378:metabolism / Q000627:therapeutic use*; D014970:Xanthines / Q000627:therapeutic use
D004338:Drug Combinations; D014970:Xanthines; C008514:methylxanthine; D013806:Theophylline