title: [Factors affecting accuracy of tomographic measurement of rCBF by Headtome].
mesh_terms: D000280:Administration, Inhalation; D000328:Adult; D001921:Brain / Q000000981:diagnostic imaging*; D002560:Cerebrovascular Circulation; D006801:Humans; D008875:Middle Aged; D014055:Tomography, Emission-Computed / Q000379:methods; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes