@misc{indiciae10fb8b71cb24,
  title = {Post dural puncture headache.},
  author = {M J Clark and W F S Sellers},
  year = {2003},
  doi = {10.1046/j.1365-2044.2003.296824.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12492693/},
  note = {Source identifier: 12492693}
}