Chronic airflow obstruction.
D003975:Diazepam / Q000627:therapeutic use; D005080:Exercise Test; D005081:Exercise Therapy; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology / Q000523:psychology / Q000628:therapy*; D009294:Narcotics / Q000627:therapeutic use; D010102:Oxygen Inhalation Therapy; D011398:Promethazine / Q000627:therapeutic use; D012129:Respiratory Function Tests
D009294:Narcotics; D011398:Promethazine; D003975:Diazepam