@misc{indiciae192f6ddf7de6,
  title = {Headache tutorial.},
  author = {M B Russell and K D Nielsen and C Rasmussen and J Schoenen and T Paiva},
  year = {2000},
  url = {https://pubmed.ncbi.nlm.nih.gov/11151598/},
  note = {Source identifier: 11151598}
}