@misc{indiciaefc91eebd2884,
  title = {Cluster headaches associated with vascular malformations.},
  author = {L Herzeberg and J A Lenman and G Victoratos and F Fletcher},
  year = {1975},
  doi = {10.1136/jnnp.38.7.648},
  url = {https://pubmed.ncbi.nlm.nih.gov/1159435/},
  note = {Source identifier: 1159435}
}