Mash, PhD, H. B. H., C. S. Fullerton, PhD, and R. J. Ursano, MD. “Post-Traumatic Stress Symptoms Following Sniper Attacks: Effects of Television Viewing and Identification With Victims”. American Journal of Disaster Medicine, vol. 13, no. 1, Jan. 2018, pp. 29-36, doi:10.5055/ajdm.2018.0285.