@misc{indiciaeb1335a5ee5b6,
  title = {Filtering surgery in low tension glaucoma.},
  author = {K B Mellin},
  year = {1989},
  doi = {10.1159/000417104},
  url = {https://pubmed.ncbi.nlm.nih.gov/2776943/},
  note = {Source identifier: 2776943}
}