@misc{indiciae42d55c5d9202,
  title = {Retinal collateral vessel formation.},
  author = {R Klein and B Klein and P Henkind and R Bellhorn},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5091187/},
  note = {Source identifier: 5091187}
}