@misc{indiciae98bbddcc384e,
  title = {Cluster headache: symptomatic treatment.},
  author = {P Torelli and G C Manzoni},
  year = {2004},
  doi = {10.1007/s10072-004-0267-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/15549518/},
  note = {Source identifier: 15549518}
}