@misc{indiciaefa8a8135fe6b,
  title = {A classification system for maxillary sinus carcinoma.},
  author = {F C Liu},
  year = {1987},
  doi = {10.1001/archotol.1987.01860040071020},
  url = {https://pubmed.ncbi.nlm.nih.gov/3814393/},
  note = {Source identifier: 3814393}
}