@misc{indiciae9839541d05b3,
  title = {Odontogenic ethmoiditis.},
  author = {E Helidonis and M Bosinakou and P Pantazopoulos},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/523890/},
  note = {Source identifier: 523890}
}