@misc{indiciaec419f82a40a2,
  title = {Headache.},
  author = {Hans-Christoph Diener},
  year = {2005},
  doi = {10.1097/01.wco.0000169745.21912.d7},
  url = {https://pubmed.ncbi.nlm.nih.gov/15891412/},
  note = {Source identifier: 15891412}
}