@misc{indiciae40439845987e,
  title = {Diagnostic testing for chronic daily headache.},
  author = {Randolph W Evans},
  year = {2007},
  doi = {10.1007/s11916-007-0021-y},
  url = {https://pubmed.ncbi.nlm.nih.gov/17214921/},
  note = {Source identifier: 17214921}
}