@misc{indiciae6dfdd7275025,
  title = {Modular headache theory: a new approach.},
  author = {William B Young},
  year = {2002},
  doi = {10.1007/s11910-002-0020-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/11898478/},
  note = {Source identifier: 11898478}
}