@ARTICLE{Domosławska_A._Progesterone_2014,
 author={Domosławska, A. and Janowski, T. and Jurczak, A.},
 number={No 2},
 journal={Polish Journal of Veterinary Sciences},
 howpublished={online},
 year={2014},
 publisher={Polish Academy of Sciences Committee of Veterinary Sciences},
 publisher={University of Warmia and Mazury in Olsztyn},
 title={Progesterone level does not distinguish the different course of canine ovulation determined by ultrasonography},
 URL={http://journals.pan.pl/Content/99268/PDF/10.pdf},
 doi={10.2478/pjvs-2014-0040},
}