@misc{indiciaeb5b6286ed731,
  title = {Valve implants in filtering surgery.},
  author = {T Krupin and S M Podos and B Becker and J B Newkirk},
  year = {1976},
  doi = {10.1016/0002-9394(76)90737-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/814819/},
  note = {Source identifier: 814819}
}