@misc{indiciae9607ca0f5509,
  title = {A practical irreversible hydrocolloid impression tray holder.},
  author = {R A Walters},
  year = {1990},
  doi = {10.1016/0022-3913(90)90140-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/2090826/},
  note = {Source identifier: 2090826}
}