@misc{indiciae3a486b021efe,
  title = {Reliability of headache questionnaire data.},
  author = {J K Thompson and F L Collins},
  year = {1979},
  doi = {10.1111/j.1526-4610.1979.hed1902097.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/422354/},
  note = {Source identifier: 422354}
}