@misc{indiciae63ccc2a58acb,
  title = {An operant conditioning method for managing chronic pain.},
  author = {W E Fordyce},
  year = {1973},
  doi = {10.1080/00325481.1973.11713462},
  url = {https://pubmed.ncbi.nlm.nih.gov/4701607/},
  note = {Source identifier: 4701607}
}