TY - JOUR L1 - http://www.czasopisma.pan.pl/Content/99332/PDF/21.pdf L2 - http://www.czasopisma.pan.pl/Content/99332 PY - 2014 IS - No 4 DO - 10.2478/pjvs-2014-0105 A1 - Krzysiak, M.K. A1 - Dudek, K. A1 - Bednarek, D. A1 - Krajewska, M. A1 - Szulowski, K. PB - Polish Academy of Sciences Committee of Veterinary Sciences PB - University of Warmia and Mazury in Olsztyn DA - 2014 T1 - Serological studies to determine the occurrence of Johne’s disease and mycoplasma infection in the Northern-East Polish population of European bison (Bison bonasus) UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/99332 T2 - Polish Journal of Veterinary Sciences ER -