@article{wei_li_li_li_2022,  title={Dilated esophagus on a preoperative chest radiograph: an easily missed risk factor for aspiration},  volume={72},  ISSN={2352-2291},  url={https://doi.org/10.1016/j.bjane.2021.04.018},  DOI={10.1016/j.bjane.2021.04.018},  number={2},  journal={Brazilian Journal of Anesthesiology},  publisher={Sociedade Brasileira de Anestesiologia (SBA)},  author={Wei, Penghui and Li, Ye and Li, Jing and Li, Jianjun},  year={2022},  month={Mar},  pages={306–307} }