@misc{indiciaed7cc3eabbfda,
  title = {Headache.},
  author = {J M Pearce},
  year = {1994},
  doi = {10.1136/jnnp.57.2.134},
  url = {https://pubmed.ncbi.nlm.nih.gov/8126494/},
  note = {Source identifier: 8126494}
}