@article{gary d. klasser2007review—connective,
  title={Topical Review—Connective Tissue Diseases: Orofacial Manifestations Including Pain},
  author={gary d. klasser,ramesh balasubramaniam,joel epstein},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={21},
  number={3},
  pages={171--184},
  doi = {10.11607/jofph.21.3.02},
  year={2007}
}