@misc{indiciae473fd00f5287,
  title = {Oscillatory pattern of sonically powered endodontic files.},
  author = {A D Walmsley and P J Lumley and W R Laird},
  year = {1989},
  doi = {10.1111/j.1365-2591.1989.tb00910.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2634620/},
  note = {Source identifier: 2634620}
}