@article{null,
  title={The International Classification of Orofacial Pain: What Have We Gained, and What Is Still Missing?},
  author={maria pigg},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={34},
  number={2},
  pages={117--118},
  doi = {10.11607/ofph.2020.2.e},
  year={2020}
}