title: Assessment of regional pulmonary function with radioactive gases.
mesh_terms: D001249:Asthma / Q000503:physiopathology; D001794:Blood Pressure; D001991:Bronchitis / Q000503:physiopathology; D005740:Gases; D006333:Heart Failure / Q000503:physiopathology; D006801:Humans; D007726:Krypton; D010103:Oxygen Isotopes; D011652:Pulmonary Circulation; D011655:Pulmonary Embolism / Q000503:physiopathology; D011656:Pulmonary Emphysema / Q000503:physiopathology; D011868:Radioisotopes; D011877:Radionuclide Imaging; D012119:Respiration; D014692:Ventilation-Perfusion Ratio; D014978:Xenon
chemical_list: D005740:Gases; D010103:Oxygen Isotopes; D011868:Radioisotopes; D014978:Xenon; D007726:Krypton