@article{eman a. alkofide2001ii,
  title={Class II division 1 malocclusions: the subdivision problem},
  author={eman a. alkofide},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={26},
  number={1},
  pages={37--40},
  doi = {10.17796/jcpd.26.1.u7mn37602705740x},
  year={2001}
}