@misc{indiciaedbfd2b37c7c8,
  title = {Facial pain.},
  author = {D Pearson},
  year = {1970},
  doi = {10.1136/bmj.1.5687.47-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4312521/},
  note = {Source identifier: 4312521}
}