@article{kim_choi_kwon_kang_2022,  title={Predictive model for difficult laryngoscopy using machine learning: retrospective cohort study},  volume={72},  ISSN={2352-2291},  url={https://doi.org/10.1016/j.bjane.2021.06.016},  DOI={10.1016/j.bjane.2021.06.016},  number={5},  journal={Brazilian Journal of Anesthesiology},  publisher={Sociedade Brasileira de Anestesiologia (SBA)},  author={Kim, Jong Ho and Choi, Jun Woo and Kwon, Young Suk and Kang, Seong Sik},  year={2022},  month={Sep},  pages={622–628} }