1. Late onset depression;Alexopoulos;Psychiatric Clinics of North America,1988
2. Disability in geriatric depression;Alexopoulos;American Journal of Psychiatry,1996
3. Diagnostic and Statistical Manual of Mental Disorders;APA,1994
4. Depression and the elderly;Ames;Mental Health in Australia,1994
5. Suicide risk?;Antai-Otong;Geriatric Nursing,1990