@ARTICLE{Kowalik_S._The_2011, author={Kowalik, S. and Kędzierski, W.}, number={No 3}, 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={The effect of interval versus continuous exercise on plasma leptin and ghrelin concentration in young trotters}, URL={http://journals.pan.pl/Content/98949/PDF/05_paper.pdf}, doi={10.2478/v10181-011-0056-1}, }