Atwill, E. R., Boyce, W. M., Gardner, I. A., Pereira, M. G., Sweitzer, R. A., & Vuren, D. V. Prevalence of and associated risk factors for shedding Cryptosporidium parvum oocysts and Giardia cysts within feral pig populations in California.

Atwill, E. R., W. M. Boyce, I. A. Gardner, M. G. Pereira, R. A. Sweitzer, ja D. Van Vuren. Prevalence of and Associated Risk Factors for Shedding Cryptosporidium Parvum Oocysts and Giardia Cysts Within Feral Pig Populations in California.

Atwill, E. R., et al. Prevalence of and Associated Risk Factors for Shedding Cryptosporidium Parvum Oocysts and Giardia Cysts Within Feral Pig Populations in California.