@misc{indiciae9f0260368993,
  title = {Epidural morphine.},
  author = {L Chiu and P Chan and K Tse},
  year = {1982},
  doi = {10.1007/bf03007955},
  url = {https://pubmed.ncbi.nlm.nih.gov/7055749/},
  note = {Source identifier: 7055749}
}