@misc{indiciaed40f5ede0223,
  title = {Epidural morphine reduces halothane MAC in humans.},
  author = {I M Schwieger and C E Klopfenstein and A Forster},
  year = {1992},
  doi = {10.1007/bf03008338},
  url = {https://pubmed.ncbi.nlm.nih.gov/1451218/},
  note = {Source identifier: 1451218}
}