@misc{indiciae54afaba06eb4,
  title = {Surgeons' posture and kungfu.},
  author = {Y L Yip},
  doi = {10.1136/bmj.297.6664.1690},
  url = {https://pubmed.ncbi.nlm.nih.gov/3147794/},
  note = {Source identifier: 3147794}
}