@article{zicker_1988,  title={Chagas' disease and social security: a case-control study in an urban area, Goiás, Brazil},  volume={22},  ISSN={0034-8910},  url={https://doi.org/10.1590/S0034-89101988000400004},  DOI={10.1590/S0034-89101988000400004},  number={4},  journal={Revista de Saúde Pública},  publisher={Faculdade de Saúde Pública da Universidade de São Paulo},  author={Zicker, Fábio},  year={1988},  month={Aug},  pages={281–287} }