@misc{indiciaeb79542a50aae,
  title = {Maxillary protraction.},
  author = {Peter Ngan},
  year = {2002},
  doi = {10.1067/mod.2002.125237},
  url = {https://pubmed.ncbi.nlm.nih.gov/12180434/},
  note = {Source identifier: 12180434}
}