@article{galvão_brener_1981,  title={Criopreservação de formas de cultura do Trypanosoma cruzi},  volume={76},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761981000300002},  DOI={10.1590/S0074-02761981000300002},  number={3},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Galvão, Lúcia Maria C. and Brener, Zigman},  year={1981},  month={Jul},  pages={247–257} }