@article{ding xu2021status,
  title={Application status of the definition of polytrauma in clinical research-A review of the past decade},
  author={ding xu,yu-long shi,peng luo,wei-jun guo},
  journal={Signa Vitae},
  volume={17},
  number={3},
  pages={42--46},
  doi = {10.22514/sv.2020.16.0120},
  year={2021}
}