Theophylline toxicity after dyphylline therapy.
D000368:Aged; D001682:Biological Availability; D001986:Bronchial Spasm / Q000188:drug therapy*; D004400:Dyphylline / Q000378:metabolism / Q000627:therapeutic use; D006801:Humans; D008297:Male; D011041:Poisoning; D013806:Theophylline / Q000008:administration & dosage / Q000378:metabolism / Q000506:poisoning*
D004400:Dyphylline; D013806:Theophylline