@misc{indiciae079ef0c2c834,
  title = {Headache rounds: Scarlet scars before headache.},
  author = {O Appenzeller and C Palmer},
  year = {1977},
  doi = {10.1111/j.1526-4610.1976.hed1606267.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/830615/},
  note = {Source identifier: 830615}
}