@misc{indiciaee5a4a9f57084,
  title = {Letter: Epidural drip and post-spinal headache.},
  author = {J S Crawford},
  year = {1973},
  doi = {10.1093/bja/45.12.1177},
  url = {https://pubmed.ncbi.nlm.nih.gov/4787007/},
  note = {Source identifier: 4787007}
}