@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://ochroma.man.poznan.pl/Content/98973/PDF/03_paper.pdf},
 doi={10.2478/v10181-011-0080-1},
}