@misc{indiciaecc0e77cef378,
  title = {Creating a headache diary.},
  author = {P A Gasser},
  doi = {10.1111/j.1745-7599.1991.tb01064.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2007064/},
  note = {Source identifier: 2007064}
}