@article{fernandes_murta_cerávolo_krug_vidigal_steindel_nardi_romanha_1997,  title={Characterization of Trypanosoma cruzi Strains Isolated from Chronic Chagasic Patients, Triatomines and Opossums Naturally Infected from the State of Rio Grande do Sul, Brazil},  volume={92},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761997000300008},  DOI={10.1590/S0074-02761997000300008},  number={3},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Fernandes, Cloé Duarte and Murta, Silvane Maria Fonseca and Cerávolo, Isabela Penna and Krug, Luciano Percival and Vidigal, Pedro G and Steindel, Mario and Nardi, Nanci and Romanha, Alvaro José},  year={1997},  month={May},  pages={343–351} }