@ARTICLE{Barański_W._Concentrations_2011, author={Barański, W. and Janowski, T. and Zduńczyk, S. and Raś, A.}, number={No 4}, journal={Polish Journal of Veterinary Sciences}, howpublished={online}, year={2011}, publisher={Polish Academy of Sciences Committee of Veterinary Sciences}, publisher={University of Warmia and Mazury in Olsztyn}, title={Concentrations of oestrogens in blood plasma and seminal plasma of boars during the postpuberal period}, URL={http://www.journals.pan.pl/Content/98973/PDF/03_paper.pdf}, doi={10.2478/v10181-011-0080-1}, }