1. The Joint Commission web site http://www.jointcommission.org/
2. Tokyo subway sarin attack, Part 1: Community emergency response;Okimura;Acad Emerg Med.,1998
3. Emergency department impact of the Oklahoma City terrorist bombing;Hogan;Ann Emerg Med.,1999
4. US Government Accountability Office http://www.gao.gov/products/T-NSIAD-99-16
5. Office of the Assistant Secretary for Preparedness and Response http://www.phe.gov/Preparedness/planning/hpp/Pages/overview.aspx