R C Clarke

Distribution and characteristics of verocytotoxigenic Escherichia coli isolated from Ontario dairy cattle

S A McEwen, D Waltner-Toews, D. Waltner-Toews, 1992, Epidemiology and Infection.

Amplification of an invA gene sequence of Salmonella typhimurium by polymerase chain reaction as a specific method of detection of Salmonella.

S A McEwen, C. Ginocchio, J. Galán, 1992, Molecular and cellular probes.

Vero cytotoxigenic Escherichia coli infection in dairy farm families.

D Alves, S A McEwen, H. Lior, 1996, The Journal of infectious diseases.