@misc{indiciae22cbf3074b61,
  title = {Headache after lumbar puncture.},
  author = {A Sakula},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91742-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/64681/},
  note = {Source identifier: 64681}
}