@misc{indiciae434a5a319e8e,
  title = {Posterior root canal therapy. I.},
  author = {B C Barker and R W Hession and C C Lockett},
  year = {1966},
  doi = {10.1111/j.1834-7819.1966.tb02166.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4161544/},
  note = {Source identifier: 4161544}
}