@misc{indiciae7c4aac812409,
  title = {Treatment time analysis for extensive amalgam restorations.},
  author = {P J Plasmans and M A van 't Hof},
  year = {1987},
  doi = {10.1111/j.1600-0528.1987.tb00517.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3476241/},
  note = {Source identifier: 3476241}
}