@ARTICLE{Pejsak_Z._Influence_2012, author={Pejsak, Z. and Pomorska-Mól, M. and Kusior, G. and Podgórska, K.}, number={No 1}, journal={Polish Journal of Veterinary Sciences}, howpublished={online}, year={2012}, publisher={Polish Academy of Sciences Committee of Veterinary Sciences}, publisher={University of Warmia and Mazury in Olsztyn}, title={Influence of long-term vaccination of a breeding herd of pigs against PCV2 on reproductive parameters}, URL={http://journals.pan.pl/Content/99004/PDF/05_paper.pdf}, doi={10.2478/v10181-011-0111-y}, }