@misc{indiciae159cae3e7a6c,
  title = {Intractable headache: aseptic meningitis and sphenoidal sinusitis.},
  author = {S D Silberstein},
  year = {1994},
  doi = {10.1046/j.1468-2982.1994.1405376.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7828199/},
  note = {Source identifier: 7828199}
}