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Polish Journal of Veterinary Sciences > 2010 > 13 > 1 > 13-19
Polish Journal of Microbiology > 2009 > 58 > 2 > 155-161
Polish Journal of Veterinary Sciences > 2010 > 13 > 1 > 13-19
Polish Journal of Microbiology > 2009 > 58 > 2 > 155-161