@article{zhou_1991,  title={Bioactive glycosides from Chinese medicines},  volume={86},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761991000600051},  DOI={10.1590/S0074-02761991000600051},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Zhou, Jun},  year={1991},  pages={231–234} }