@misc{indiciaec1e67b3a0c52,
  title = {Epidural opiates in labour.},
  author = {B W Perriss},
  year = {1979},
  doi = {10.1016/s0140-6736(79)90436-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/89480/},
  note = {Source identifier: 89480}
}