@misc{indiciaed3de0d923cad,
  title = {The orthodontic study circle.},
  author = {J H Gardiner},
  year = {1976},
  doi = {10.1179/bjo.3.1.31},
  url = {https://pubmed.ncbi.nlm.nih.gov/1065370/},
  note = {Source identifier: 1065370}
}