@misc{indiciae1761b469d125,
  title = {Root canals in one-rooted maxillary second molars.},
  author = {O Carlsen and V Alexandersen and T Heitmann and P Jakobsen},
  year = {1992},
  doi = {10.1111/j.1600-0722.1992.tb01067.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1411268/},
  note = {Source identifier: 1411268}
}