@misc{indiciae5e47784a1af6,
  title = {A new epidural space indicator.},
  author = {V Mullin and R B Sweet},
  year = {1979},
  doi = {10.1097/00000542-197903000-00018},
  url = {https://pubmed.ncbi.nlm.nih.gov/434513/},
  note = {Source identifier: 434513}
}