@misc{indiciae64c9a690fdb9,
  title = {A young man with a headache.},
  author = {E Redfern and O Warren},
  year = {2005},
  doi = {10.1136/emj.2003.010769},
  url = {https://pubmed.ncbi.nlm.nih.gov/16046767/},
  note = {Source identifier: 16046767}
}