@article{maria pigg2011thermal,
  title={Orofacial Thermal Thresholds: Time-Dependent Variability and Influence of Spatial Summation and Test Site},
  author={maria pigg,peter svensson,thomas list},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={25},
  number={1},
  pages={39--48},
  doi = {10.11607/jofph.25.1.06},
  year={2011}
}