@ARTICLE{Pilarczyk_B._Serum_2014, author={Pilarczyk, B. and Tomza-Marciniak, A. and Stankiewicz, T. and Błaszczyk, B. and Gączarzewicz, D. and Smugała, M. and Udała, J. and Tylkowska, A. and Kuba, J. and Cieśla, A.}, number={No 1}, journal={Polish Journal of Veterinary Sciences}, howpublished={online}, year={2014}, publisher={Polish Academy of Sciences Committee of Veterinary Sciences}, publisher={University of Warmia and Mazury in Olsztyn}, title={Serum selenium concentration and glutathione peroxidase activity and selenium content in testes of Polish Konik horses from selenium- -deficient area in North-Western Poland}, URL={http://www.czasopisma.pan.pl/Content/99250/PDF/22.pdf}, doi={10.2478/pjvs-2014-0022}, }