Depressive illness masquerading as dementia in the elderly.
D000368:Aged; D000544:Alzheimer Disease / Q000175:diagnosis; D003704:Dementia / Q000175:diagnosis*; D003866:Depressive Disorder / Q000175:diagnosis*; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D005162:Factitious Disorders / Q000175:diagnosis*; D006801:Humans