@misc{indiciae71d7df6dab72,
  title = {Chronic daily headache.},
  author = {S D Silberstein and R B Lipton},
  year = {2000},
  doi = {10.1097/00019052-200006000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/10871251/},
  note = {Source identifier: 10871251}
}