title: Regional ventilation of the lungs as measured with the scintillation camera and a data processing system.
mesh_terms: D001330:Electronic Data Processing; D005260:Female; D006371:Helium; D006801:Humans; D007201:Indicator Dilution Techniques; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D010993:Plethysmography, Whole Body; D011868:Radioisotopes; D011877:Radionuclide Imaging; D013147:Spirometry; D014692:Ventilation-Perfusion Ratio; D014978:Xenon
chemical_list: D011868:Radioisotopes; D006371:Helium; D014978:Xenon