@article{gary d. slade2020of,
  title={Overlap of Five Chronic Pain Conditions:  Temporomandibular Disorders, Headache, Back Pain, Irritable Bowel Syndrome, and Fibromyalgia},
  author={gary d. slade,joel d. greenspan,roger b. fillingim,william maixner,sonia sharma,richard ohrbach},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={34},
  number={S1},
  pages={15--28},
  doi = {10.11607/ofph.2581},
  year={2020}
}