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Medycyna Weterynaryjna > 2014 > 70 > 2
Polish Journal of Environmental Studies > 2009 > 18 > 2 > 249-253
Polish Journal of Veterinary Sciences > 2008 > 11 > 2 > 125-132
Polish Journal of Veterinary Sciences > 2008 > 11 > 2 > 105-111
Polish Journal of Veterinary Sciences > 2008 > 11 > 2 > 143-145