@misc{indiciae5f5ef6af7afe,
  title = {Headache.},
  author = {J W Lance},
  year = {1981},
  doi = {10.1002/ana.410100102},
  url = {https://pubmed.ncbi.nlm.nih.gov/7023351/},
  note = {Source identifier: 7023351}
}