@article{aldo giancotti2004pendex,
  title={Mandibular pendex spring appliance for use in mixed dentition},
  author={aldo giancotti,paola radico,raffaella docimo},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={28},
  number={2},
  pages={95--98},
  doi = {10.17796/jcpd.28.2.2p0630474w187w12},
  year={2004}
}