@misc{indiciae7933a67606be,
  title = {Comparative analysis between a modified ultrasonic tip and hand instruments on clinical parameters of periodontal disease.},
  author = {T A Copulos and S B Low and C B Walker and Y Y Trebilcock and A F Hefti},
  year = {1993},
  doi = {10.1902/jop.1993.64.8.694},
  url = {https://pubmed.ncbi.nlm.nih.gov/8410606/},
  note = {Source identifier: 8410606}
}