title: Phase II of expiratory curves of respiratory and inert gases in normals and in patients with emphysema.
mesh_terms: D000328:Adult; D000368:Aged; D002245:Carbon Dioxide; D006371:Helium; D006801:Humans; D008875:Middle Aged; D005741:Noble Gases; D010100:Oxygen; D010313:Partial Pressure; D011656:Pulmonary Emphysema / Q000503:physiopathology*; D012016:Reference Values; D012119:Respiration; D012129:Respiratory Function Tests; D013459:Sulfur Hexafluoride; D013990:Tidal Volume
chemical_list: D005741:Noble Gases; D002245:Carbon Dioxide; D006371:Helium; D010100:Oxygen; D013459:Sulfur Hexafluoride