@misc{indiciaed655d8b8592f,
  title = {Using the visual analog scale.},
  author = {Ira Todd Cohen},
  year = {2004},
  doi = {10.1097/00000542-200406000-00046},
  url = {https://pubmed.ncbi.nlm.nih.gov/15166593/},
  note = {Source identifier: 15166593}
}