@article{almeida-santos_sousa_2015,  title={Heart Rate Variability and Chagas Heart Disease},  volume={104},  ISSN={0066-782X},  url={https://doi.org/10.5935/abc.20150003},  DOI={10.5935/abc.20150003},  number={1},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Almeida-Santos, Marcos Antonio and Sousa, Antonio Carlos Sobral},  year={2015},  month={Jan},  pages={90–91} }