Gilchrist, M. J., Greko, C., Wallinga, D. B., Beran, G. W., Riley, D. G., & Thorne, P. S. (2007). The Potential Role of Concentrated Animal Feeding Operations in Infectious Disease Epidemics and Antibiotic Resistance. National Institute of Environmental Health Sciences.

Gilchrist, Mary J., Christina Greko, David B. Wallinga, George W. Beran, David G. Riley, a Peter S. Thorne. The Potential Role of Concentrated Animal Feeding Operations in Infectious Disease Epidemics and Antibiotic Resistance. National Institute of Environmental Health Sciences, 2007.

Gilchrist, Mary J., et al. The Potential Role of Concentrated Animal Feeding Operations in Infectious Disease Epidemics and Antibiotic Resistance. National Institute of Environmental Health Sciences, 2007.