@misc{indiciae2db5c27a948a,
  title = {A sinus within a sinus.},
  author = {H E Belcher and I Zammit-Maempel and J D Rose},
  year = {1994},
  doi = {10.2214/ajr.162.1.8273680},
  url = {https://pubmed.ncbi.nlm.nih.gov/8273680/},
  note = {Source identifier: 8273680}
}