@misc{indiciae06db51c2ca8b,
  title = {Headache and a normal angiogram.},
  author = {R Villongco and N Javeed and S Jayaram and J Cholankeril},
  year = {1994},
  doi = {10.1080/21548331.1994.11443112},
  url = {https://pubmed.ncbi.nlm.nih.gov/7880244/},
  note = {Source identifier: 7880244}
}