@article{vishal r. aggarwal2007and,
  title={Development and Validation of Classification Criteria for Idiopathic Orofacial Pain for Use in Population-based Studies},
  author={vishal r. aggarwal,john mcbeth,mark lunt,joanna m. zakrzewska,gary j. macfarlane},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={21},
  number={3},
  pages={203--215},
  doi = {10.11607/jofph.21.3.05},
  year={2007}
}