@article{maria pigg2013of,
  title={Seven-Year
Follow-up of Patients Diagnosed with Atypical Odontalgia: A Prospective Study},
  author={maria pigg,peter svensson,mark drangsholt,thomas list},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={27},
  number={2},
  pages={151--164},
  doi = {10.11607/jop.1033},
  year={2013}
}