@misc{indiciae25796746398e,
  title = {The 'ballista spring" system for impacted teeth.},
  author = {H Jacoby},
  year = {1979},
  doi = {10.1016/0002-9416(79)90183-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/283699/},
  note = {Source identifier: 283699}
}