@misc{indiciae7fe779ce528f,
  title = {"Cervicogenic" headache. An hypothesis.},
  author = {O Sjaastad and C Saunte and H Hovdahl and H Breivik and E Grønbaek},
  year = {1983},
  doi = {10.1046/j.1468-2982.1983.0304249.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6640659/},
  note = {Source identifier: 6640659}
}