@misc{indiciae02afc2f24bc9,
  title = {Lithium prophylaxis for chronic cluster headache.},
  author = {L Kudrow},
  year = {1977},
  doi = {10.1111/j.1526-4610.1977.hed1701015.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/845021/},
  note = {Source identifier: 845021}
}