Changing the therapy of stable asthmatic patients.
D001249:Asthma / Q000188:drug therapy*; D004205:Cromolyn Sodium / Q000627:therapeutic use; D004334:Drug Administration Schedule; D004341:Drug Evaluation; D006801:Humans; D010880:Piperidines / Q000008:administration & dosage* / Q000627:therapeutic use; D013876:Thiophenes / Q000008:administration & dosage* / Q000627:therapeutic use
D010880:Piperidines; D013876:Thiophenes; D004205:Cromolyn Sodium