@article{vaz_maia_hanson_lynch_1981,  title={Cross-suppression of specific immune responses after oral tolerance},  volume={76},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761981000100009},  DOI={10.1590/S0074-02761981000100009},  number={1},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Vaz, Nelson M. and Maia, Luiz Carlos and Hanson, Donald G. and Lynch, James M.},  year={1981},  month={Jan},  pages={83–91} }