@misc{indiciaea6506513325d,
  title = {"Mild" cluster headache(?).},
  author = {O Sjaastad and D de Souza Carvalho and J M Zhao},
  year = {1988},
  doi = {10.1046/j.1468-2982.1988.0802121.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3401914/},
  note = {Source identifier: 3401914}
}