@misc{indiciae90d5d970262d,
  title = {Pain assessment.},
  author = {Mathias Haefeli and Achim Elfering},
  year = {2005},
  doi = {10.1007/s00586-005-1044-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/16320034/},
  note = {Source identifier: 16320034}
}