2) Vrana S: Prevalence of traumatic events and post-traumatic psychological symptoms in a nonclinical sample of college students. J Trauma Stress 1994;7: 289-302.
3) Nixon RD: September 11 attacks: prior interpersonal trauma, dysfunctional cognitions, and trauma response in a midwestern university sample. Violence Vict 2005; 20: 471-80.
4) Meilman PW: Aftermath of tragic events: the development and use of community support meetings on a university campus. J Am Coll Health 2006; 54: 382-384.