@misc{indiciae200e16648e43,
  title = {Epidural failure rate.},
  author = {R G Stacey and C W Gass},
  year = {1999},
  doi = {10.1016/s0959-289x(99)80118-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/15321131/},
  note = {Source identifier: 15321131}
}