@article{kazuo yamada2006of,
  title={Efficacy of Amitriptyline for Treatment of Somatoform Pain Disorder in the Orofacial Region: A Case Series},
  author={masako ikawa,kazuo yamada,shinobu ikeuchi},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={20},
  number={3},
  pages={234--240},
  doi = {10.11607/jofph.20234},
  year={2006}
}