@misc{indiciaea005ec689947,
  title = {Phacotrabeculectomy versus two-stage operation: a matched study.},
  author = {F F El-Sayyad and M H Helal and M M Khalil and M A El-Maghraby},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10219028/},
  note = {Source identifier: 10219028}
}