@misc{indiciae20820cdb1628,
  title = {Headache rounds. Evidence.},
  author = {W H Caskey},
  year = {1978},
  doi = {10.1111/j.1526-4610.1978.hed1802065.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/649382/},
  note = {Source identifier: 649382}
}