title: [Diagnostic imaging by radioisotopes. Application (X). Evaluation of regional pulmonary function using short-lived radioactive gases].
mesh_terms: D000368:Aged; D002245:Carbon Dioxide; D002248:Carbon Monoxide; D002250:Carbon Radioisotopes; D004583:Electrons; D005740:Gases; D006801:Humans; D007553:Isotope Labeling / Q000379:methods; D008168:Lung / Q000000981:diagnostic imaging*; D008171:Lung Diseases / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010100:Oxygen; D010104:Oxygen Radioisotopes; D011877:Radionuclide Imaging
chemical_list: D002250:Carbon Radioisotopes; D005740:Gases; D010104:Oxygen Radioisotopes; D002245:Carbon Dioxide; D002248:Carbon Monoxide; D010100:Oxygen