Excessive yawning induced by stimulation of myofascial trigger point--case report.

@article{Chang2009ExcessiveYI,
  title={Excessive yawning induced by stimulation of myofascial trigger point--case report.},
  author={C-C Chang and Shin-Tsu Chang},
  journal={European journal of neurology},
  year={2009},
  volume={16 6},
  pages={e118-9}
}