Proceedings: Measurements of regional ventilation and perfusion.
D003201:Computers; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis; D008863:Microspheres; D011652:Pulmonary Circulation; D011877:Radionuclide Imaging / Q000295:instrumentation / Q000379:methods*; D012588:Scintillation Counting