@misc{indiciae5153072ee1a4,
  title = {Pain evaluation in the intensive care unit: observer-reported faces scale compared with self-reported visual analog scale.},
  author = {T Terai and H Yukioka and A Asada},
  doi = {10.1097/00115550-199823020-00006},
  url = {https://pubmed.ncbi.nlm.nih.gov/9570602/},
  note = {Source identifier: 9570602}
}