@misc{indiciae163da521239e,
  title = {THE QUESTIONNAIRE: A TECHNIQUE FOR CLASSIFYING HEADACHE.},
  author = {P S MACNEAL},
  year = {1964},
  doi = {10.1111/j.1526-4610.1964.hed0401167.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14139495/},
  note = {Source identifier: 14139495}
}