@misc{indiciae972a6cbd3892,
  title = {Acute maxillary sinusitis caused by a guttapercha point.},
  author = {B Minkow and D Laufer and D Gutman},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/269850/},
  note = {Source identifier: 269850}
}