Letter: Management of asthma.
D000328:Adult; D000628:Aminophylline / Q000008:administration & dosage / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D006801:Humans; D013806:Theophylline / Q000008:administration & dosage / Q000627:therapeutic use
D000628:Aminophylline; D013806:Theophylline