@misc{indiciae79bff2b2b193,
  title = {Combined spinal-epidural needle (CSEN)},
  author = {J Eldor and G Chaimsky},
  year = {1988},
  doi = {10.1007/bf03026909},
  url = {https://pubmed.ncbi.nlm.nih.gov/3168138/},
  note = {Source identifier: 3168138}
}