@article{mendes_camacho_alves_borges_souza_ferreira_2001,  title={Standard electrocardiographic values in Holstein calves},  volume={53},  ISSN={0102-0935},  url={https://doi.org/10.1590/S0102-09352001000600002},  DOI={10.1590/S0102-09352001000600002},  number={6},  journal={Arquivo Brasileiro de Medicina Veterinária e Zootecnia},  publisher={Universidade Federal de Minas Gerais, Escola de Veterinária},  author={Mendes, L.C.N. and Camacho, A.A. and Alves, A.L.G. and Borges, A.S. and Souza, R.C.A. and Ferreira, W.L.},  year={2001},  month={Dec},  pages={641–644} }