@misc{indiciaeb4a2669f0de4,
  title = {Dacryocystography using polyethylene tubing.},
  author = {J S Pannu},
  year = {1972},
  doi = {10.1016/0002-9394(72)91222-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4644746/},
  note = {Source identifier: 4644746}
}