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Medycyna Weterynaryjna > 2011 > 67 > 4
Polish Journal of Veterinary Sciences > 2008 > 11 > 3 > 209-212
Acta Parasitologica > 2006 > 51 > 1
Medycyna Weterynaryjna > 2011 > 67 > 4
Polish Journal of Veterinary Sciences > 2008 > 11 > 3 > 209-212
Acta Parasitologica > 2006 > 51 > 1