@misc{indiciae3376152740e5,
  title = {Questionnaire typography and production.},
  author = {M Gray},
  year = {1975},
  doi = {10.1016/0003-6870(75)90300-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/15677172/},
  note = {Source identifier: 15677172}
}