@misc{indiciae8cb969cb7fc0,
  title = {A note on questionnaire rigidity and extreme response set.},
  author = {J C BRENGELMANN},
  year = {1960},
  doi = {10.1192/bjp.106.442.187},
  url = {https://pubmed.ncbi.nlm.nih.gov/13804178/},
  note = {Source identifier: 13804178}
}