| Authors: |
Beaufrère H; A The Health Sciences Centre, Ontario Veterinary College, University of Guelph, 50 Stone Road E, Guelph, N1G2W1, ON, Canada., Laniesse D; B Department of Pathobiology, Ontario Veterinary College, University of Guelph, 50 Stone Road E, Guelph, N1G2W1, ON, Canada., Stickings P; C National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, EN6 3QG, United Kingdom., Tierney R; C National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, EN6 3QG, United Kingdom., Sesardic T; C National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, EN6 3QG, United Kingdom., Slavic D; D Animal Health Laboratory, Ontario Veterinary College, University of Guelph, 50 Stone Road E, Guelph, N1G2W1, ON, Canada., Compo N; B Department of Pathobiology, Ontario Veterinary College, University of Guelph, 50 Stone Road E, Guelph, N1G2W1, ON, Canada., Smith DA; B Department of Pathobiology, Ontario Veterinary College, University of Guelph, 50 Stone Road E, Guelph, N1G2W1, ON, Canada. |
