@article{eto_andrade_pinheiro_balarin_ramos_venancio_2012,  title={Effect of inoculation route on the production of antibodies and histological characteristics of the spleen in laying hens},  volume={14},  ISSN={1516-635X},  url={https://doi.org/10.1590/S1516-635X2012000100011},  DOI={10.1590/S1516-635X2012000100011},  number={1},  journal={Brazilian Journal of Poultry Science},  publisher={Fundação de Apoio à Ciência e Tecnologia Animal},  author={Eto, SF and Andrade, FG and Pinheiro, JW and Balarin, MR and Ramos, SP and Venancio, EJ},  year={2012},  month={Jan},  pages={63–66} }