@misc{indiciae2e1aa724d01d,
  title = {Needles used for spinal anesthesia.},
  author = {Lawrence C Tsen and David L Hepner},
  year = {2006},
  doi = {10.1586/17434440.3.4.499},
  url = {https://pubmed.ncbi.nlm.nih.gov/16866646/},
  note = {Source identifier: 16866646}
}