@misc{indiciae9c13f400155f,
  title = {CALCULUS FORMATION IN THE MAXILLARY SINUS.},
  author = {W J ESSER},
  year = {1965},
  doi = {10.1016/0030-4220(65)90345-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/14293966/},
  note = {Source identifier: 14293966}
}