title: Distribution of pulmonary blood flow and ventilation measured with radioactive gases.
mesh_terms: D002245:Carbon Dioxide; D005740:Gases; D006801:Humans; D008168:Lung / Q000098:blood supply*; D008176:Lung Volume Measurements / Q000379:methods*; D011849:Radioactive Tracers; D011868:Radioisotopes; D012016:Reference Values; D012039:Regional Blood Flow; D012119:Respiration; D014980:Xenon Radioisotopes
chemical_list: D005740:Gases; D011849:Radioactive Tracers; D011868:Radioisotopes; D014980:Xenon Radioisotopes; D002245:Carbon Dioxide