@misc{indiciae59d12fe93d16,
  title = {Pharmacodynamics of opioids: recent developments.},
  author = {G Folkers and M Michael},
  year = {1994},
  doi = {10.1016/0031-6865(94)90002-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/7809173/},
  note = {Source identifier: 7809173}
}