@misc{indiciae29e90dd729c1,
  title = {Naratriptan prophylactic treatment in cluster headache.},
  author = {P J Eekers and P J Koehler},
  year = {2001},
  doi = {10.1046/j.1468-2982.2001.00173.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/11298668/},
  note = {Source identifier: 11298668}
}