@article{chacón_brandão_villarreal_gama_ferreira_2007,  title={Survey of infectious laryngotracheitis outbreak in layer hens and differential diagnosis with other respiratory pathogens},  volume={9},  ISSN={1516-635X},  url={https://doi.org/10.1590/S1516-635X2007000100009},  DOI={10.1590/S1516-635X2007000100009},  number={1},  journal={Brazilian Journal of Poultry Science},  publisher={Fundação de Apoio à Ciência e Tecnologia Animal},  author={Chacón, JLV and Brandão, PEB and Villarreal, LYB and Gama, NM and Ferreira, AJP},  year={2007},  month={Jan},  pages={61–67} }