@misc{indiciaed14c74b23258,
  title = {Headache classification.},
  author = {L K Mannix and G D Solomon and R S Kunkel},
  year = {1997},
  doi = {10.1212/wnl.49.2.638-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/9270623/},
  note = {Source identifier: 9270623}
}