@article{goulart_costa_silva_souza_rodrigues_oliveira_2011,  title={Requirements of digestible methionine + cystine for broiler chickens at 1 to 42 days of age},  volume={40},  ISSN={1516-3598},  url={https://doi.org/10.1590/S1516-35982011000400013},  DOI={10.1590/S1516-35982011000400013},  number={4},  journal={Revista Brasileira de Zootecnia},  publisher={Sociedade Brasileira de Zootecnia},  author={Goulart, C.C. and Costa, F.G.P. and Silva, J.H.V. and Souza, J.G. and Rodrigues, V.P. and Oliveira, C.F.S.},  year={2011},  month={Apr},  pages={797–803} }