@misc{indiciae23cf9ef5be1b,
  title = {[Cluster headache (Horton's headache)].},
  author = {Peer Tfelt-Hansen and Rigmor Højland Jensen},
  year = {2006},
  url = {https://pubmed.ncbi.nlm.nih.gov/17217869/},
  note = {Source identifier: 17217869}
}