@misc{indiciae44caa7214528,
  title = {UC Irvine graded response system.},
  author = {K L Koenig and K A Salness},
  year = {1991},
  doi = {10.1016/s0196-0644(05)82997-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1877778/},
  note = {Source identifier: 1877778}
}