1. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1980
2. Patients who amplify bodily sensations;Barsky;Ann. Intern. Med.,1979
3. The diagnosis of depression in the elderly;Blazer;J. Am. Geriatr. Soc.,1980
4. Epidemiology of dysphoria and depression in an elderly population;Blazer;Am. J. Psychiatry,1980
5. Symptomatic depression in elderly medical outpatients. I. Prevalence, demography, and health service utilization;Borson;J. Am. Geriatr. Soc.,1985