@article{xianjie zhang2023of,
  title={Effects of dexmedetomidine combined with ropivacaine on the treatment of lumbar plexus sciatic nerve block in elderly patients with lower limb fractures},
  author={wencai jiang,siyang yi,an xie,ou liao,feng ju,xianjie zhang},
  journal={Signa Vitae},
  volume={19},
  number={2},
  pages={140--144},
  doi = {10.22514/sv.2023.019},
  year={2023}
}