@article{rauber_flôres_pereira_grigulo_2004,  title={Elisa evaluation of the levels of antibodies against Infectious Bronchitis Virus in laying hens using egg yolk as substrate},  volume={6},  ISSN={1516-635X},  url={https://doi.org/10.1590/S1516-635X2004000200008},  DOI={10.1590/S1516-635X2004000200008},  number={2},  journal={Brazilian Journal of Poultry Science},  publisher={Fundação de Apoio à Ciência e Tecnologia Animal},  author={Rauber, RH and Flôres, ML and Pereira, CE and Grigulo, M},  year={2004},  month={Apr},  pages={117–119} }