@misc{indiciae749fdb2554cd,
  title = {[Root canal preparation using Excimer lasers].},
  author = {M Frentzen and H J Koort and R Nolden},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1815934/},
  note = {Source identifier: 1815934}
}