@misc{indiciae1f14328ba5c5,
  title = {Vertically directed forces and malocclusion: a new approach.},
  author = {T R Wallen},
  doi = {10.1177/00220345740530050101},
  url = {https://pubmed.ncbi.nlm.nih.gov/4528854/},
  note = {Source identifier: 4528854}
}