@misc{indiciaed91c80828dea,
  title = {Headache studies; statistical data. II. Headache patterns.},
  author = {H D OGDEN},
  year = {1952},
  doi = {10.1016/0021-8707(52)90010-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/12990295/},
  note = {Source identifier: 12990295}
}