@misc{indiciaeab6aef0cbe33,
  title = {Finding high quality, efficient providers for value purchasing: cohort methods better than methods based on events.},
  author = {John E Wennberg and Elliott S Fisher},
  year = {2002},
  doi = {10.1097/00005650-200210000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/12395019/},
  note = {Source identifier: 12395019}
}