@misc{indiciae5da4134e21ad,
  title = {Drainage implant surgery for refractory glaucoma.},
  author = {M F Lieberman and R H Ewing},
  year = {1990},
  doi = {10.1097/00004397-199030030-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/2199389/},
  note = {Source identifier: 2199389}
}