@article{ian a. boggero2014mediates,
  title={Fatigue Mediates the Relationship Between  Pain Interference and Distress in Patients with  Persistent Orofacial Pain},
  author={ian a. boggero,tracey c. kniffin,reny de leeuw,charles r. carlson},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={28},
  number={1},
  pages={38--45},
  doi = {10.11607/jop.1204},
  year={2014}
}