@misc{indiciae57a00561442e,
  title = {Pyriform sinusotomy.},
  author = {W P Graham},
  year = {1969},
  doi = {10.1001/jama.1969.03160070069027},
  url = {https://pubmed.ncbi.nlm.nih.gov/5818728/},
  note = {Source identifier: 5818728}
}