@misc{indiciae9a95b27828ac,
  title = {Nasal endoscopy in chronic maxillary sinusitis.},
  author = {R H Kamel},
  year = {1989},
  doi = {10.1017/s0022215100108692},
  url = {https://pubmed.ncbi.nlm.nih.gov/2703767/},
  note = {Source identifier: 2703767}
}