@misc{indiciaea189806d20e3,
  title = {Ataralgesia: operations without anaesthesia.},
  author = {J T HAYWARD-BUTT},
  year = {1957},
  doi = {10.1016/s0140-6736(57)92000-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/13482261/},
  note = {Source identifier: 13482261}
}