@article{cunha_muniz_1929,  title={Sobre o encystamento de Balantidium Coli},  volume={22},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761929000200005},  DOI={10.1590/S0074-02761929000200005},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Cunha, Aristides Marques da and Muniz, Julio},  year={1929},  pages={26–33} }