@article{yeon-mi yang2018for,
  title={Decompression for Unerupted Primary Mandibular Second Molars Associated with Physical Barriers: Case Reports},
  author={dae-woo lee,jae-gon kim,yeon-mi yang},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={42},
  number={2},
  pages={150--154},
  doi = {10.17796/1053-4628-42.2.12},
  year={2018}
}