@misc{indiciae34b948034140,
  title = {High-dose fentanyl.},
  author = {M Johnstone},
  year = {1979},
  doi = {10.1016/s0140-6736(79)92914-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/85024/},
  note = {Source identifier: 85024}
}