title: Perfusion patterns in dementia.
mesh_terms: D001921:Brain / Q000000981:diagnostic imaging*; D002560:Cerebrovascular Circulation; D003704:Dementia / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006801:Humans; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium