C. A. Switala, MEd, J. Coren, DO, MBA, F. A. Filipetto, DO, J. P. Gaughan, PhD, and C. A. Ciervo, DO, “Bioterrorism—A Health Emergency: Do physicians believe there is a threat and are they prepared for it?”, Am J Disaster Med, vol. 6, no. 3, pp. 143–152, May 2011.