1. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. Third Edition. Washington, DC, American Psychiatric Association, 1980:236–8.
2. Schnurr PP, Friedman MJ, Bernardy NC. Research on posttraumatic stress disorder: epidemiology, pathophysiology, and assessment. J Clin Psychol2002; 58:877–89.
3. Saigh PA, Bremner J. The history of posttraumatic stress disorder. In: Saigh PA, Bremner J, eds. Posttraumatic Stress Disorder. A Comprehensive Text. Boston, Allyn & Bacon, 1999:1–17.
4. Hageman I, Andersen HS, Jorgensen MB. Post-traumatic stress disorder: a review of psychobiology and pharmacotherapy. Acta Psychiatr Scand2001; 104:411–22.
5. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision. Washington DC, American Psychiatric Association, 2000:463–8.