@misc{indiciae2438485084ab,
  title = {Comment: opioid-induced muscle activity.},
  author = {J L Pereira and E D Bruera},
  year = {1996},
  doi = {10.1177/106002809603000931},
  url = {https://pubmed.ncbi.nlm.nih.gov/8876879/},
  note = {Source identifier: 8876879}
}