@article{young shin cho2023effects,
  title={The effects of high-flow nasal cannula oxygen therapy in dyspnea patients with and without hypercapnia in the emergency department: a retrospective, propensity score-matched cohort study},
  author={heajin chung,young shin cho,suyeon park},
  journal={Signa Vitae},
  volume={19},
  number={2},
  pages={91--96},
  doi = {10.22514/sv.2022.037},
  year={2023}
}