@article{guimarães_sogayar_1993,  title={Blastocystis hominis: occurrence in children and staff members of municipal day-care centers from Botucatu, São Paulo State, Brazil},  volume={88},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761993000300012},  DOI={10.1590/S0074-02761993000300012},  number={3},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Guimarães, Semíramis and Sogayar, Maria Inês Leme},  year={1993},  month={Jul},  pages={427–429} }