@misc{indiciaea2d115aea269,
  title = {The pain visual analog scale: is it linear or nonlinear?},
  author = {P S Myles and S Troedel and M Boquest and M Reeves},
  year = {1999},
  doi = {10.1097/00000539-199912000-00038},
  url = {https://pubmed.ncbi.nlm.nih.gov/10589640/},
  note = {Source identifier: 10589640}
}