 @article{meyer_machado_coldebella_cassoli_coelho_rodrigues_2012,  title={Validation of models for predicting milk urea nitrogen concentrations, estimating dry matter intake by the NRC (2001)},  volume={41},  ISSN={1516-3598},  url={https://doi.org/10.1590/S1516-35982012000500026},  DOI={10.1590/S1516-35982012000500026},  number={5},  journal={Revista Brasileira de Zootecnia},  publisher={Sociedade Brasileira de Zootecnia},  author={Meyer, Paula Marques and Machado, Paulo Fernando and Coldebella, Arlei and Cassoli, Laerte Dagher and Coelho, Karyne Oliveira and Rodrigues, Paulo Henrique Mazza},  year={2012},  month={May},  pages={1271–1277} }