@article{hung-huey tsai2002characteristics,
  title={Cephalometric characteristics of bimaxillary dentoalveolar protrusion in early mixed dentition},
  author={hung-huey tsai},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={26},
  number={4},
  pages={363--370},
  doi = {10.17796/jcpd.26.4.lqn08w5827576j60},
  year={2002}
}