1. Databook on the elderly 1987;Adler,1988
2. Familiar quotations;Bartlett,1955
3. Epidemiology of late-life depression and dementia: A comparative study;Blazer,1990
4. Symptomatic depression in elderly medical outpatients;Boorson;Journal of the American Geriatrics Society,1986
5. Burned-out schizophrenia: Evidence for age effects on schizophrenic symptomatology;Bridge;Journal of Gerontology,1978