@misc{indiciae9439c59caa27,
  title = {Letter: A simple safety device.},
  author = {E G Star},
  year = {1975},
  doi = {10.1093/bja/47.9.1034-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/1191475/},
  note = {Source identifier: 1191475}
}