@misc{indiciae3ec50d6c9d01,
  title = {Maxillary sinus perforations and closures.},
  author = {R A Atterbury and S J Vazirani},
  year = {1968},
  doi = {10.1016/0030-4220(68)90296-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5238790/},
  note = {Source identifier: 5238790}
}