Trotz-Williams, L. A., Jarvie, B. D., Martin, S. W., Leslie, K. E., & Peregrine, A. S. (2005). Prevalence of Cryptosporidium parvum infection in southwestern Ontario and its association with diarrhea in neonatal dairy calves. Canadian Veterinary Medical Association.

Trotz-Williams, Lise A., Brenna D. Jarvie, S. Wayne Martin, Kenneth E. Leslie, and Andrew S. Peregrine. Prevalence of Cryptosporidium Parvum Infection in Southwestern Ontario and Its Association With Diarrhea in Neonatal Dairy Calves. Canadian Veterinary Medical Association, 2005.

Trotz-Williams, Lise A., et al. Prevalence of Cryptosporidium Parvum Infection in Southwestern Ontario and Its Association With Diarrhea in Neonatal Dairy Calves. Canadian Veterinary Medical Association, 2005.