@misc{indiciae0134b7398576,
  title = {Headaches. Evaluation and therapy.},
  author = {S D Silberstein and M M Silberstein},
  year = {1987},
  doi = {10.1111/j.1365-4362.1987.tb00599.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3654044/},
  note = {Source identifier: 3654044}
}