@misc{indiciae0be24f0ac4e9,
  title = {Butorphanol.},
  author = {I J Pachter and R P Evens},
  year = {1985},
  doi = {10.1016/0376-8716(85)90065-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/3888579/},
  note = {Source identifier: 3888579}
}