@misc{indiciae669cafec227c,
  title = {Clinical experience with epidural morphine.},
  author = {T A Torda and D A Pybus},
  year = {1981},
  doi = {10.1177/0310057x8100900205},
  url = {https://pubmed.ncbi.nlm.nih.gov/6167175/},
  note = {Source identifier: 6167175}
}