Varney, Lt. Col., USAF, MC, S., J. M. Hirshon, MD, MPH, P. Dischinger, PhD, and C. Mackenzie, MD. “Extending Injury Prevention Methodology to Chemical Terrorism Preparedness: The Haddon Matrix and Sarin”. American Journal of Disaster Medicine, vol. 1, no. 1, Nov. 2006, pp. 18-27, doi:10.5055/ajdm.2006.0006.