@article{shu zhang2021models,
  title={Prediction models for prognosis of influenza: a systematic review and critical appraisal},
  author={yao sun,yiwu zhou,shu zhang},
  journal={Signa Vitae},
  volume={17},
  number={5},
  pages={18--29},
  doi = {10.22514/sv.2021.148},
  year={2021}
}