@misc{Sawicki_B._Bisoniana_1991,
 author={Sawicki, B.},
 volume={36},
 number={3-4},
 copyright={Rights Reserved - Free Access},
 address={Białowieża},
 journal={Acta Theriologica},
 howpublished={online},
 year={1991},
 language={eng ; Sum. eng.},
 type={Text},
 title={Bisoniana 106. Ultimobranchial follicles and cysts in the European bison thyroid},
 URL={http://www.rcin.org.pl/Content/11768/PDF/BI002_2613_Cz-40-2_Acta-T36-nr28-349-356_o.pdf},
 keywords={Bison bonasus, thyroid, ultimobranchial structures, żubr, tarczyca},
}