@misc{indiciaea3abaf9e47b7,
  title = {Posttraumatic headache.},
  author = {R C Packard},
  year = {1994},
  doi = {10.1055/s-2008-1041057},
  url = {https://pubmed.ncbi.nlm.nih.gov/8029558/},
  note = {Source identifier: 8029558}
}