@misc{indiciaea9b0ff999a69,
  title = {Supragingival calculus: formation and control.},
  author = {Ye Jin and Hak-Kong Yip},
  year = {2002},
  doi = {10.1177/154411130201300506},
  url = {https://pubmed.ncbi.nlm.nih.gov/12393761/},
  note = {Source identifier: 12393761}
}