@article{abbasi_mahdavi_samie_jahanian_2014,  title={Effects of different levels of dietary crude protein and threonine on performance, humoral immune responses and intestinal morphology of broiler chicks},  volume={16},  ISSN={1516-635X},  url={https://doi.org/10.1590/S1516-635X2014000100005},  DOI={10.1590/S1516-635X2014000100005},  number={1},  journal={Brazilian Journal of Poultry Science},  publisher={Fundação de Apoio à Ciência e Tecnologia Animal},  author={Abbasi, MA and Mahdavi, AH and Samie, AH and Jahanian, R},  year={2014},  month={Jan},  pages={35–44} }