@article{andreas dawson2013and,
  title={Pain and Intramuscular Release of Algesic Substances in the Masseter Muscle After Experimental Tooth-Clenching Exercises in Healthy Subjects},
  author={andreas dawson,bijar ghafouri,björn gerdle,thomas list,peter svensson,malin ernberg},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={27},
  number={4},
  pages={350--360},
  doi = {10.11607/jop.1170},
  year={2013}
}