@article{ramirez-yañez german o2008treatment,
  title={Early Treatment of a Class II, Division 2 Malocclusion with the Trainer for Kids (T4K): A Case Report},
  author={ramirez-yañez german o,faria paulo},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={32},
  number={4},
  pages={325--330},
  doi = {10.17796/jcpd.32.4.8833x52755364hx4},
  year={2008}
}