[Cerebral circulation in the aged with organic dementia (author's transl)].
D000368:Aged; D001783:Blood Flow Velocity; D002560:Cerebrovascular Circulation; D003704:Dementia / Q000145:classification / Q000503:physiopathology*; D004301:Doppler Effect; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000503:physiopathology; D008875:Middle Aged