1. Cornell scale for depression in dementia;Alexopoulos;Biol Psychiatry,1988
2. American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders —Revised, ed 3. Washington, DC, American Psychiatric Association, 1987
3. Validity and reliability of the dementia behav-ior disturbance scale;Baumgarten;J Am Geriatr Soc,1990
4. Clinical dementia rating (CDR);Berg;Psychopharmacol Bull,1988
5. Mild senile dementia of the Alzheimer type. 2. Longitudinal assessment;Berg;Ann Neurol,1988