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© 2013 Piotr Skrzypczak, Dorota Zyśko, Urszula Pasławska, Agnieszka Noszczyk-Nowak, Adrian Janiszewski, Liliana Kiczak, Jacek Bania, Maciej Zacharski, Alicja Tomaszek, Ilona Rybińska, Józef Nicpoń, Robert Pasławski, Jacek Gajek, Ewa A. Jankowska, Piotr Ponikowski, published by National Veterinary Research Institute in Pulawy
This work is licensed under the Creative Commons License.