The measurement of regional pulmonary density, ventilation and perfusion by gamma-ray densitometry.
D015502:Absorptiometry, Photon; D002587:Cesium Isotopes; D008168:Lung / Q000000981:diagnostic imaging*; D008722:Methods; D011652:Pulmonary Circulation; D012119:Respiration
D002587:Cesium Isotopes