@misc{indiciae5cb8b3640789,
  title = {Walking extradurals.},
  author = {J A Crowhurst and F Plaat and S Subunagunta},
  year = {1998},
  doi = {10.1093/bja/80.5.701},
  url = {https://pubmed.ncbi.nlm.nih.gov/9691889/},
  note = {Source identifier: 9691889}
}