@misc{indiciae15aeb765a131,
  title = {The multiple root canal system in a maxillary second molar. A case report.},
  author = {K O Crosby and R A Barkhordar},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3457400/},
  note = {Source identifier: 3457400}
}