1. Imipramine and desipramine disposition in the elderly;Abernethy;J Pharmacol Exp Ther,1985
2. The natural history of anxiety disorders;Angst;Acta Psychiatr Scand,1991
3. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1980
4. Diagnostic and Statistical Manual of Mental Disorders, ed 3, rev;American Psychiatric Association,1987
5. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1994