@misc{indiciae26cb70d07a48,
  title = {Walking extradurals.},
  author = {P Murray and R J Birks},
  year = {1998},
  doi = {10.1093/bja/80.5.700-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/9691888/},
  note = {Source identifier: 9691888}
}