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Bulletin of the Veterinary Institute in Puławy > 2009 > 53 > 2 > 313-317
Medycyna Weterynaryjna > 2007 > 63 > 3 > 301-304
Bulletin of the Veterinary Institute in Puławy > 2009 > 53 > 2 > 313-317
Medycyna Weterynaryjna > 2007 > 63 > 3 > 301-304