@article{contreras_de lima_zorrilla_1998,  title={Trypanosoma cruzi: Maintenance in Culture Modify Gene and Antigenic Expression of Metacyclic Trypomastigotes},  volume={93},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761998000600011},  DOI={10.1590/S0074-02761998000600011},  number={6},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Contreras, Víctor T and De Lima, Ana Rita and Zorrilla, Gelu},  year={1998},  month={Nov},  pages={753–760} }