@misc{indiciae17fa6dc81f83,
  title = {Acute and chronic frontal sinusitis.},
  author = {Itzhak Brook},
  year = {2003},
  doi = {10.1097/00063198-200305000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/12682560/},
  note = {Source identifier: 12682560}
}