@misc{indiciae21bb3ad3e2ec,
  title = {A 'destructive' headache.},
  author = {S Singh and J Rees},
  year = {1997},
  doi = {10.1177/014107689709000413},
  url = {https://pubmed.ncbi.nlm.nih.gov/9155761/},
  note = {Source identifier: 9155761}
}