Citation 1631
Ewald PW. 1996. Guarding against the most dangerous emerging pathogens: Insights from evolutionary biology. Emerging Infectious Diseases 2(4).
http://www.cdc.gov/ncidod/eid/vol2no4/ewald.htm.
http://www.cdc.gov/ncidod/eid/vol2no4/ewald.htm.


