@misc{indiciae9635c7f99e4f,
  title = {Timolol in migraine prophylaxis.},
  author = {R S Briggs and P A Millac},
  year = {1979},
  doi = {10.1111/j.1526-4610.1979.hed1907379.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/511540/},
  note = {Source identifier: 511540}
}