@misc{indiciae7720f4902f28,
  title = {[Cluster headache].},
  author = {H Heyck},
  year = {1975},
  doi = {10.1055/s-0028-1106375},
  url = {https://pubmed.ncbi.nlm.nih.gov/806443/},
  note = {Source identifier: 806443}
}