title: A comparison of two methods for measuring regional pulmonary blood flow in patients with pulmonary diseases.
mesh_terms: D001783:Blood Flow Velocity; D006801:Humans; D008171:Lung Diseases / Q000503:physiopathology*; D008722:Methods; D011652:Pulmonary Circulation; D014692:Ventilation-Perfusion Ratio; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes