@article{vieira_barrucand_castro_1993,  title={The effect of subminimal inhibitory concentrations of penicillin on growth rate and haemolysin activity of group G Streptococcus},  volume={88},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761993000300013},  DOI={10.1590/S0074-02761993000300013},  number={3},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Vieira, Verônica V. and Barrucand, Louis and Castro, Angela C. D.},  year={1993},  month={Jul},  pages={431–434} }