@article{giovanni mauro2009review:,
  title={Topical Review: Placebo Responses and Therapeutic Responses. How Are They Related?},
  author={charles s. greene,greg goddard,guido m. macaluso,giovanni mauro},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={23},
  number={2},
  pages={93--107},
  doi = {10.11607/ofph.23.2.02},
  year={2009}
}