1. van der Kolk BA, McFarlane AC, Weisaeth L: Traumatic Stress: The Effects of Overwhelming Experience on Mind, Body, and Society. New York: The Guilford Press; 1996. Comprehensive review of PTSD with author contributions from most experts in the field.
2. Herman JL: Trauma and Recovery. New York, Basic Books, 1992.
3. Chibnall JT, Duckro PN: Post-traumatic stress disorder in chronic post-traumatic headache patients. Headache 1994, 134: 357–361.
4. Diagnostic and Statistical Manual of Mental Disorders, IV. Washington, DC: American Psychiatric Association, 1992:1–17.
5. Saigh PA, Bremner DJ: The History of Posttraumatic Stress Disorder in Posttraumatic Stress Disorder: A Comprehensive Text. Edited by Saigh PA, Bremner DJ. Boston: Allyn and Bacon; 1999.