@misc{indiciae44243ee62cf9,
  title = {Kappa coefficient calculation using multiple ratings per subject: a special communication.},
  author = {S M Haley and J S Osberg},
  year = {1989},
  doi = {10.1093/ptj/69.11.970},
  url = {https://pubmed.ncbi.nlm.nih.gov/2813523/},
  note = {Source identifier: 2813523}
}