1. American Psychiatric Association. Diagnostic and statistical manual of mental disorders. 4th ed. Washington, DC: American Psychiatric Association; 1994.
2. The process of grief: a selective review;Archer;J. Adv. Health Nurs. Care,1991
3. Averill JR. Anger and aggression: an essay on emotion. New York: Springer; 1982.
4. Sensory overload and noise in the ICU: sources of environmental stress;Baker;CCQ,1984
5. A clinician rating scale for assessing current and lifetime PTSD: the CAPS-I;Blake;Behav. Therap.,1990