@misc{indiciae15a569609fcb,
  title = {Retinal vein occlusion.},
  author = {S P Percival},
  year = {1977},
  doi = {10.1136/bmj.1.6053.108},
  url = {https://pubmed.ncbi.nlm.nih.gov/832012/},
  note = {Source identifier: 832012}
}