@misc{indiciaecb55de2cd7f4,
  title = {Is miscarriage a risk factor for postdural puncture headache?},
  author = {M D Johnson and M Schlanger},
  year = {1998},
  doi = {10.1097/00000539-199803000-00055},
  url = {https://pubmed.ncbi.nlm.nih.gov/9495446/},
  note = {Source identifier: 9495446}
}