title: Measurement of regional pulmonary function by the use of isotopes.
mesh_terms: D001784:Blood Gas Analysis; D002000:Bronchospirometry; D008722:Methods; D010100:Oxygen; D011877:Radionuclide Imaging; D012129:Respiratory Function Tests; D014692:Ventilation-Perfusion Ratio; D014797:Vital Capacity; D014978:Xenon
chemical_list: D014978:Xenon; D010100:Oxygen