@article{qi-hong shen2026general,
  title={Opioid-free general anesthesia in breast surgery: a meta-analysis of randomized trials},
  author={li xue,yue-zhong lv,ya-fen shi,qi-hong shen},
  journal={Signa Vitae},
  volume={22},
  number={2},
  pages={28--40},
  doi = {10.22514/sv.2026.012},
  year={2026}
}