1. US Environmental Protection Agency. Antimicrobial Pesticide Products. 2003. http://www.epa.gov/opp00001/factsheets/antimic.htm.
2. Do chronic diseases have an infectious root?;Zimmer;Science,2001
3. Evolution of virulence;Ewald;Infect Dis Clin North Am,2004
4. Non-tuberculous mycobacteria in the environment;Falkinham;Clin Chest Med,2002
5. Microbial Threats to Health: Emergence, Detection and Response. Institute of Medicine,2003