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Transboundary and Emerging Diseases > 69 > 5 > e2978 - e2993
Preventive Veterinary Medicine > 2012 > 107 > 3-4 > 214-221
Veterinary Microbiology > 2006 > 112 > 2-4 > 211-219
Veterinary Microbiology > 2006 > 112 > 2-4 > 291-301
Preventive Veterinary Medicine > 1997 > 31 > 1-2 > 113-125