@misc{indiciaeec3625a23ac8,
  title = {Whose value is it anyway?},
  author = {R M Knapp},
  year = {2001},
  doi = {10.1097/00000539-200108000-00053},
  url = {https://pubmed.ncbi.nlm.nih.gov/11473887/},
  note = {Source identifier: 11473887}
}