@misc{indiciaee2a41760ec61,
  title = {[An operating microscope especially suitable for eye surgery].},
  author = {J I Barraquer and J Barraquer and H Littmann},
  year = {1967},
  doi = {10.1159/000305211},
  url = {https://pubmed.ncbi.nlm.nih.gov/6057548/},
  note = {Source identifier: 6057548}
}