@article{pan_zeng_liu_zheng_2024,  title={Effect of both the 9S management theory and the hierarchical management model on management of intensive care unit},  volume={58},  ISSN={0080-6234},  url={https://doi.org/10.1590/1980-220X-REEUSP-2024-0114en},  DOI={10.1590/1980-220X-REEUSP-2024-0114en},  journal={Revista da Escola de Enfermagem da USP},  publisher={Universidade de São Paulo, Escola de Enfermagem},  author={Pan, Mengmeng and Zeng, Xiaoying and Liu, Huirong and Zheng, Xiaomin},  year={2024},  pages={e20240114} }