@article{null,
  title={Comparison of Psychologic and Physiologic Functioning Between Patients With Masticatory Muscle Pain and Matched Controls },
  author={charles r. carlson,jeffrey p. okeson,donald a. falace,arthur j. nitz,shelly l. curran,donald anderson},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={7},
  number={1},
  pages={15--22},
  doi = {10.11607/jofph.7104},
  year={1993}
}