@article{barry j. sessle2006bearing,
  title={Factors Bearing on Causes and Management of Orofacial Pain},
  author={barry j. sessle},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={20},
  number={3},
  pages={189--189},
  doi = {10.11607/jofph.20189},
  year={2006}
}