@ARTICLE{Socha_W._Variability_2015, author={Socha, W. and Rola, J. and Żmudziński, J.F.}, number={No 2}, journal={Polish Journal of Veterinary Sciences}, howpublished={online}, year={2015}, publisher={Polish Academy of Sciences Committee of Veterinary Sciences}, publisher={University of Warmia and Mazury in Olsztyn}, title={Variability of non-structural proteins of equine arteritis virus during persistent infection of the stallion}, URL={http://journals.pan.pl/Content/99371/PDF/03.pdf}, doi={10.1515/pjvs-2015-0033}, }