title: The physiologic basis of training patients with emphysema.
mesh_terms: D000368:Aged; D001945:Breathing Exercises; D002245:Carbon Dioxide / Q000097:blood; D002302:Cardiac Output; D005081:Exercise Therapy; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008875:Middle Aged; D010101:Oxygen Consumption; D010102:Oxygen Inhalation Therapy; D011656:Pulmonary Emphysema / Q000628:therapy*; D011674:Pulse; D012129:Respiratory Function Tests
chemical_list: D002245:Carbon Dioxide