@misc{indiciae008bd8b83c5c,
  title = {Secondary cluster headache responsive to sumatriptan.},
  author = {P D Cremer and G M Halmagyi and P J Goadsby},
  year = {1995},
  doi = {10.1136/jnnp.59.6.633},
  url = {https://pubmed.ncbi.nlm.nih.gov/7500105/},
  note = {Source identifier: 7500105}
}