@misc{indiciae4e1bb77e4d9c,
  title = {A frontal sinus drain.},
  author = {H Ismail and J Bowden and W P Hellier and A Husband},
  year = {2004},
  url = {https://pubmed.ncbi.nlm.nih.gov/15329988/},
  note = {Source identifier: 15329988}
}