@misc{indiciaee390ed872442,
  title = {Primary headaches: a convergence hypothesis.},
  author = {Roger Cady and Curtis Schreiber and Kathleen Farmer and Fred Sheftell},
  year = {2002},
  doi = {10.1046/j.1526-4610.2002.02053.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/11903544/},
  note = {Source identifier: 11903544}
}