@misc{indiciaed9fcadbd09dd,
  title = {Current investigations in headache.},
  author = {M Sovak and D J Dalessio and M Kunzel and R Sternbach},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7367743/},
  note = {Source identifier: 7367743}
}