7Folstein M F,Folstein S E.Mini-Mental State:A practical method for grading the cognitive state of patients for the clinician.Journal of Psychiatric Research,1975,12:189-198.
8American Psychiatric Association.Diagnostic and statistical manual of mental disorders.4rd ed.Revised.Washington:American Psychiatric Association,1994.
9G C Roman,T K Tatemichi,T Erkinjuntti,et al.Vascular dementia:Diagnostic criteria for research studiesreport of the NINDS-AIREN international workshop.Neurology,1993,43:250-260.
10Hachiski V C.Multi-infarct dementia:a cause of mental deterioration in the elderly.Lancet,1974,2:207.