@article{john f. bowley1993and,
  title={Reliability and Validity of Instrumentation Used to Record Nocturnal Clenching and/or Grinding},
  author={john f. bowley,john w. stockstill,calvin j. pierce},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={7},
  number={4},
  pages={378--385},
  doi = {10.11607/jofph.07378},
  year={1993}
}