Wilson, J. B., McEwen, S. A., Clarke, R. C., Leslie, K. E., Waltner-Toews, D., & Gyles, C. L. (1992). A case-control study of selected pathogens including verocytotoxigenic Escherichia coli in calf diarrhea on an Ontario veal farm.

Wilson, J B., S A. McEwen, R C. Clarke, K E. Leslie, D. Waltner-Toews, and C L. Gyles. A Case-control Study of Selected Pathogens Including Verocytotoxigenic Escherichia Coli in Calf Diarrhea On an Ontario Veal Farm. 1992.

Wilson, J B., et al. A Case-control Study of Selected Pathogens Including Verocytotoxigenic Escherichia Coli in Calf Diarrhea On an Ontario Veal Farm. 1992.