@article{silva_gontijo_amaral_2007,  title={Case-control study of factors associated with chronic Chagas heart disease in patients over 50 years of age},  volume={102},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02762007000700010},  DOI={10.1590/S0074-02762007000700010},  number={7},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Silva, Silvana de Araújo and Gontijo, Eliane Dias and Amaral, Carlos Faria Santos},  year={2007},  month={Nov},  pages={845–851} }