@misc{indiciae791fdc245590,
  title = {Computed tomography for nontraumatic headache: current utilization and cost-effectiveness.},
  author = {C E Kahn and G D Sanders and E A Lyons and J K Kostelic and D W MacEwan and W L Gordon},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8504331/},
  note = {Source identifier: 8504331}
}