@article{santos_vannucchi_satzinger_assumpção_visintin_1999,  title={Comparison of five extenders for canine semen freezing},  volume={36},  ISSN={1413-9596},  url={https://doi.org/10.1590/S1413-95961999000500004},  DOI={10.1590/S1413-95961999000500004},  number={5},  journal={Brazilian Journal of Veterinary Research and Animal Science},  publisher={Faculdade de Medicina Veterinária e Zootecnia / Universidade de São Paulo},  author={SANTOS, Silvia Edelweiss Crusco dos and VANNUCCHI, Camila Infantosi and SATZINGER, Sandra and ASSUMPÇÃO, Mayra Elena Ortiz D’Avila and VISINTIN, José Antonio},  year={1999},  pages={244–249} }