@misc{indiciaebc7bcbf664e9,
  title = {Chronic posttraumatic headache.},
  author = {A E Walker},
  year = {1965},
  doi = {10.1111/j.1526-4610.1965.hed0503067.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5829844/},
  note = {Source identifier: 5829844}
}