title: A study of oxygen therapy in patients with chronic respiratory failure.
mesh_terms: D002245:Carbon Dioxide / Q000097:blood; D002908:Chronic Disease; D006801:Humans; D000860:Hypoxia / Q000628:therapy; D010100:Oxygen / Q000097:blood; D010102:Oxygen Inhalation Therapy; D010313:Partial Pressure; D012131:Respiratory Insufficiency / Q000503:physiopathology / Q000628:therapy*
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen