@misc{indiciae09f7260e1e1b,
  title = {Maxillary first molars with six canals.},
  author = {A Martínez-Berná and P Ruiz-Badanelli},
  year = {1983},
  doi = {10.1016/s0099-2399(83)80188-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/6579196/},
  note = {Source identifier: 6579196}
}