@misc{indiciaefe1e3f426297,
  title = {How I do it--Dacryocystorhinostomy.},
  author = {S Sierra-Dupont and J B Waldron and N B Gagnon},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7277563/},
  note = {Source identifier: 7277563}
}