@misc{indiciae798ead70930e,
  title = {Muscle contraction headache.},
  author = {T Indo},
  year = {1987},
  doi = {10.1016/s0140-6736(87)90669-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/2884473/},
  note = {Source identifier: 2884473}
}