@misc{indiciae3df75e34efa4,
  title = {Class III crowding: the extraction dilemma.},
  author = {M A Campbell and A Jacobson},
  year = {1987},
  doi = {10.1016/0889-5406(87)90256-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/3479004/},
  note = {Source identifier: 3479004}
}