Works Cited• Smith, Melinda, and Jeanne Segal. "Post-traumatic Stress Disorder (PTSD)." Post-Traumatic Stress Disorder (PTSD): Symptoms, Treatment and Self-Help. Help Guide Organization, Oct. 2011. Web. 01 May 2012. <http://www.helpguide.org/mental/post_traumatic_stress_disorder_sym ptoms_treatment.htm>.• Perrin, Megan A., et al. "Differences in PTSD Prevalence and Associated Risk Factors among World Trade Center Disaster Rescue and Recovery Workers." The American Journal of Psychiatry 164.9 (2007): 1385-94. ProQuest Central; ProQuest Health Management. 1 May 2012 .• Dalton, Richard, Scheeringa, Michael S,M.D., M.P.H., and Charles H. Zeanah M.D. "Did the Prevalence of PTSD Following Hurricane Katrina Match a Rapid Needs Assessment Prediction? A Template for Future Public Planning After Large-Scale Disasters." Psychiatric Annals 38.2 (2008): 134- 41. ProQuest Central; ProQuest Health Management. 1 May 2012• Glazer, S. (2002, February 8). Treating anxiety. CQ Researcher, 12, 97-120. Retrieved from http://library.cqpress.com/cqresearcher/
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