@article{gianella_von poser_zamora_1994,  title={Chagas' infection in university students of Santa Cruz de la Sierra, Bolivia. A serologic-electrocardiographic study},  volume={36},  ISSN={0036-4665},  url={https://doi.org/10.1590/S0036-46651994000600007},  DOI={10.1590/S0036-46651994000600007},  number={6},  journal={Revista do Instituto de Medicina Tropical de São Paulo},  publisher={Instituto de Medicina Tropical de São Paulo},  author={Gianella, A. and Von Poser, B. and Zamora, P.},  year={1994},  month={Nov},  pages={515–518} }