1. Altered Standards of Care in Mass Casualty Events. Prepared by Health Systems Research Inc. under Contract No. 290-04-0010. AHRQ Publication No. 05-0043. Rockville, MD: Agency for Healthcare Research and Quality. April 2005.
2. Human monkeypox in Kasai Oriental, Democratic Republic of Congo (former Zaire);Wkly Epidemiol Rec,1997
3. Human monkeypox in Kasai Oriental, Zaire (1996–1997);Wkly Epidemiol Rec,1997
4. Anonymous. M15 foils al-Qaeda's London cyanide plot. Sunday Herald, 17 November 2002. Available at: www.sundayherald.com/print29314. Accessed 26 January 2004.
5. The First 10 Cases Reported in the United States;Emerging Infectious Diseases,2001