TY - JOUR L1 - http://journals.pan.pl/Content/99156/PDF/17.pdf L2 - http://journals.pan.pl/Content/99156 PY - 2013 IS - No 2 DO - 10.2478/pjvs-2013-0045 A1 - Jankowski, J. A1 - Zduńczyk, Z. A1 - Drażbo, A. A1 - Juśkiewicz, J. A1 - Czech, A. A1 - Antoszkiewicz, Z. PB - Polish Academy of Sciences Committee of Veterinary Sciences PB - University of Warmia and Mazury in Olsztyn DA - 2013 T1 - The effect of different dietary levels of vitamin E and selenium on antioxidant status and immunological markers in serum of laying hens UR - http://journals.pan.pl/dlibra/publication/edition/99156 T2 - Polish Journal of Veterinary Sciences ER -