TY - JOUR L1 - http://journals.pan.pl/Content/99063/PDF/6.pdf L2 - http://journals.pan.pl/Content/99063 PY - 2012 IS - No 3 DO - 10.2478/v10181-012-0069-4 A1 - Socha, P. A1 - Janowski, T. A1 - Rudowska, M. PB - Polish Academy of Sciences Committee of Veterinary Sciences PB - University of Warmia and Mazury in Olsztyn DA - 2012 T1 - Effectiveness of determining the parturition date in bitches using the ultrasonographic fetometry as compared to hormonal and cytological methods UR - http://journals.pan.pl/dlibra/publication/edition/99063 T2 - Polish Journal of Veterinary Sciences ER -