@article{facioli_bezutti_bender_marques_bondan_zanella_bertolini_zanella_2020,  title={A rare case of heteropaternal twin calves after natural mating in Brazil},  volume={17},  ISSN={1984-3143},  url={https://doi.org/10.1590/1984-3143-AR2020-0217},  DOI={10.1590/1984-3143-AR2020-0217},  number={4},  journal={Animal Reproduction},  publisher={Colégio Brasileiro de Reprodução Animal},  author={Facioli, Fernanda Luiza and Bezutti, Gabriela da Fonseca and Bender, Rodrigo Saraiva and Marques, Mariana Groke and Bondan, Carlos and Zanella, Eraldo Lourenso and Bertolini, Marcelo and Zanella, Ricardo},  year={2020},  pages={e20200217} }