title: Cerebral energy relationships in dementia: a prospective study with positron emission tomography.
mesh_terms: D001921:Brain / Q000378:metabolism*; D002560:Cerebrovascular Circulation; D003704:Dementia / Q000378:metabolism / Q000503:physiopathology*; D006801:Humans; D010101:Oxygen Consumption; D011446:Prospective Studies; D014055:Tomography, Emission-Computed