@misc{indiciaea2825a84f1da,
  title = {[Cluster headache: misjudged because unknown].},
  author = {D G Snijdelaar and B J Crul},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9213807/},
  note = {Source identifier: 9213807}
}