@misc{indiciae295531722d42,
  title = {Headache studies; statistical data. I. Procedure and sample distribution.},
  author = {H D OGDEN},
  year = {1952},
  doi = {10.1016/0021-8707(52)90074-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/14907277/},
  note = {Source identifier: 14907277}
}