title: IPPB in severe pulmonary emphysema: successful results.
mesh_terms: D001784:Blood Gas Analysis; D005069:Evaluation Studies as Topic; D006371:Helium / Q000627:therapeutic use; D006801:Humans; D007384:Intermittent Positive-Pressure Breathing; D010100:Oxygen / Q000627:therapeutic use; D011175:Positive-Pressure Respiration; D011656:Pulmonary Emphysema / Q000503:physiopathology / Q000628:therapy*; D012129:Respiratory Function Tests; D013997:Time Factors
chemical_list: D006371:Helium; D010100:Oxygen