Dementia in the elderly identifying reversibility.
D000544:Alzheimer Disease / Q000175:diagnosis; D003704:Dementia / Q000175:diagnosis* / Q000209:etiology; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis*; D008875:Middle Aged; D009460:Neurologic Examination