@misc{indiciaef231a600cdb9,
  title = {Does a bloody tap prevent postdural puncture headache?},
  author = {S C Beards and A Jackson and J Holland and E L Horsman},
  year = {1993},
  doi = {10.1111/j.1365-2044.1993.tb07559.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8285351/},
  note = {Source identifier: 8285351}
}