@article{linda leresche2020the,
  title={At the Crossroads of Chronic Overlapping Pain Conditions and Research Diagnostic Criteria: Which Direction to Take?},
  author={linda leresche,michael von korff},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={34},
  number={S1},
  pages={3--5},
  doi = {10.11607/ofph.2020.suppl.c1},
  year={2020}
}