Authors
Marek Walczak
Department of Swine Diseases, National Veterinary Research Institute, Puławy, Poland
Małgorzata Juszkiewicz
Department of Swine Diseases, National Veterinary Research Institute, Puławy, Poland
Krzesimir Szymankiewicz
Department of Swine Diseases, National Veterinary Research Institute, Puławy, Poland
Anna Szczotka-Bochniarz
Department of Swine Diseases, National Veterinary Research Institute, Puławy, Poland
Grzegorz Woźniakowski
Department of Swine Diseases, National Veterinary Research Institute, Puławy, Poland
Department of Diagnostics and Clinical Sciences, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Toruń, Poland