@misc{indiciaefe9e3cf0805b,
  title = {Spontaneous lower arch changes with and without second molar extractions.},
  author = {J M Battagel and A Ryan},
  year = {1998},
  doi = {10.1016/s0889-5406(98)70285-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/9484204/},
  note = {Source identifier: 9484204}
}