@misc{indiciae56fdf9074f0c,
  title = {Filtering valve glaucoma implants.},
  author = {J Freedman and J Ferguson},
  year = {1994},
  doi = {10.1016/s0161-6420(13)31147-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/8090448/},
  note = {Source identifier: 8090448}
}