Editorial: Does treatment for severe emphysema and chronic bronchitis really help? (A response).
D000336:Aerosols; D001945:Breathing Exercises; D001991:Bronchitis / Q000188:drug therapy / Q000534:rehabilitation / Q000628:therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000627:therapeutic use; D002908:Chronic Disease; D003365:Costs and Cost Analysis; D005069:Evaluation Studies as Topic; D006266:Health Education; D006801:Humans; D008297:Male; D008875:Middle Aged; D010102:Oxygen Inhalation Therapy; D005082:Physical Exertion; D011656:Pulmonary Emphysema / Q000188:drug therapy / Q000534:rehabilitation / Q000628:therapy*; D012129:Respiratory Function Tests
D000336:Aerosols; D001993:Bronchodilator Agents