@misc{indiciaec07fe8ad851f,
  title = {Improving a poorly designed instrument.},
  author = {B Thal},
  year = {1971},
  doi = {10.1002/lary.5540811206},
  url = {https://pubmed.ncbi.nlm.nih.gov/5129776/},
  note = {Source identifier: 5129776}
}