@misc{indiciaea2e03a9f30d9,
  title = {Calculus formation.},
  author = {H C HODGE and S WAH LEUNG},
  year = {1950},
  doi = {10.1902/jop.1950.21.4.211},
  url = {https://pubmed.ncbi.nlm.nih.gov/14795365/},
  note = {Source identifier: 14795365}
}