[Clinical aspects of dementia. 12. Various types of dementia. (2) Presenile dementia (Alzheimer's, Pick's, and Creutzfeldt-Jakob diseases)].
D000368:Aged; D000544:Alzheimer Disease / Q000175:diagnosis*; D007562:Creutzfeldt-Jakob Syndrome / Q000175:diagnosis*; D003704:Dementia / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged