@article{xing long2006oxidation,
  title={Free-radical Oxidation and Superoxide Dismutase Activity in Synovial Fluid of Patients with Temporomandibular Disorders},
  author={heng-xing cai,jing-mei luo,xing long,xiao-dan li,yong cheng},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={20},
  number={1},
  pages={53--58},
  doi = {10.11607/jofph.2053},
  year={2006}
}