@misc{indiciae4056287536f7,
  title = {Sphenoid vacuum cephalalgia.},
  author = {J Stagman},
  year = {1967},
  doi = {10.1111/j.1526-4610.1967.hed0701030.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6046094/},
  note = {Source identifier: 6046094}
}