title: [Cerebral blood volume-to-flow imaging by ring-type-SPECT].
mesh_terms: D000368:Aged; D001157:Arterial Occlusive Diseases / Q000503:physiopathology; D001810:Blood Volume; D001921:Brain / Q000000981:diagnostic imaging*; D002340:Carotid Artery Diseases / Q000503:physiopathology; D002560:Cerebrovascular Circulation; D006801:Humans; D008297:Male; D008875:Middle Aged; D013667:Technetium; D014055:Tomography, Emission-Computed / Q000379:methods*; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes; D013667:Technetium