@misc{indiciae28d56bab7297,
  title = {Postural post-dural puncture headache. A prospective randomised study and a meta-analysis comparing two different 0.40 mm O.D. (27 g) spinal needles.},
  author = {H Flaatten and J Felthaus and M Kuwelker and T Wisborg},
  year = {2000},
  doi = {10.1034/j.1399-6576.2000.440603.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10903010/},
  note = {Source identifier: 10903010}
}