@misc{indiciaef9db508a4410,
  title = {A modified retractor system for direct bonding.},
  author = {J W Ferguson},
  year = {1983},
  doi = {10.1179/bjo.10.1.42},
  url = {https://pubmed.ncbi.nlm.nih.gov/6340718/},
  note = {Source identifier: 6340718}
}