@misc{indiciaefb53358a593e,
  title = {Maxillary first molar with six canals.},
  author = {J L Bond and G Hartwell and F R Portell},
  year = {1988},
  doi = {10.1016/s0099-2399(88)80180-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/3251981/},
  note = {Source identifier: 3251981}
}