@article{yang_1991,  title={Current status of biotechnology in China},  volume={86},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761991000600007},  DOI={10.1590/S0074-02761991000600007},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Yang, Sheng-Li},  year={1991},  pages={17–19} }