1. Palumbi, S. R. Humans as the world's greatest evolutionary force. Science 293, 1786–1790 (2001).
2. Harrison, P. F. & Lederberg, J. (eds) Antimicrobial Resistance: Issues and Options (National Academy Press, Washington DC, 1998).
3. Interagency Task Force on Antimicrobial Resistance. A public health action plan to combat antimicrobial resistance. [online], < http://www.cdc.gov/drugresistance/actionplan/aractionplan.pdf > (1999).
4. National Antimicrobial Resistance Monitoring System Annual Report 2000 [online], < http://www.cdc.gov/narms/annual/2000/narms_2000_annual_a.htm > (2000).
5. Walsh, C. Where will new antibiotics come from? Nature Rev. Microbiol. 1, 65–70 (2003).