@misc{indiciae177943f30361,
  title = {Nasal sinusitis.},
  author = {W G Rich},
  year = {1981},
  doi = {10.5694/j.1326-5377.1981.tb101010.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7321960/},
  note = {Source identifier: 7321960}
}