@article{zhu_2024,  title={Efficacy and safety of remimazolam besylate and ciprofol in painless gastrointestinal endoscopy in the elderly},  volume={39},  ISSN={0102-8650},  url={https://doi.org/10.1590/acb399324},  DOI={10.1590/acb399324},  journal={Acta Cirúrgica Brasileira},  publisher={Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia},  author={Zhu, Ziwei},  year={2024},  pages={e399324} }