@misc{indiciae83bc85f518ef,
  title = {Direct bonding with Lee Unique.},
  author = {P R Demuth},
  year = {1981},
  doi = {10.1179/bjo.8.1.31},
  url = {https://pubmed.ncbi.nlm.nih.gov/7023535/},
  note = {Source identifier: 7023535}
}