@misc{indiciae763734815b8b,
  title = {When headaches are good.},
  author = {R C Packard and F Andrasik and R Weaver},
  year = {1989},
  doi = {10.1111/j.1526-4610.1989.hed2902100.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2708037/},
  note = {Source identifier: 2708037}
}