@ARTICLE{Bubel_F._Effect_2015,
 author={Bubel, F. and Dobrzański, Z. and Gaweł, A. and Pogoda-Sewerniak, K. and Grela, E.R.},
 number={No 1},
 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={Effect of humic-plant feed preparations on biochemical blood parameters of laying hens in deep litter housing system},
 URL={http://www.czasopisma.pan.pl/Content/99356/PDF/9.pdf},
 doi={10.1515/pjvs-2015-0017},
}