@article{prata_macêdo_1984,  title={Morbidity of Chagas' heart disease},  volume={79},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761984000500018},  DOI={10.1590/S0074-02761984000500018},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Prata, Aluizio and Macêdo, Vanize},  year={1984},  pages={93–96} }