@misc{indiciaeb27df50fe7d8,
  title = {29-gauge spinal needles.},
  author = {L E Carrie and P D Collins},
  year = {1991},
  doi = {10.1093/bja/66.1.145-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/1997052/},
  note = {Source identifier: 1997052}
}