@article{joel d. greenspan2020pain,
  title={Experimental Pain Sensitivity in Subjects with Temporomandibular Disorders and Multiple Other Chronic Pain Conditions: The OPPERA Prospective Cohort Study},
  author={joel d. greenspan,gary d. slade,nuvan rathnayaka,roger b. fillingim,richard ohrbach,william maixner},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={34},
  number={S1},
  pages={43--56},
  doi = {10.11607/ofph.2583},
  year={2020}
}