@misc{indiciaef635486e007d,
  title = {Cross-validation of predictors for a chronic pain control program.},
  author = {J S Richards and J D Hain and H R Vinik and C S Nepomuceno and R Beckman},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7102992/},
  note = {Source identifier: 7102992}
}