@misc{indiciae8fe10da71058,
  title = {[Ultrasonics in endodontics. Light microscope study].},
  author = {M Piattelli and C Maggiore and T Delle Fratte and A Piattelli},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2639804/},
  note = {Source identifier: 2639804}
}