@misc{indiciaee83aec56c83f,
  title = {Wide angle attachment for fundus cameras.},
  author = {I J Turner and I Favilla and W R Barry},
  year = {1981},
  doi = {10.1111/j.1442-9071.1981.tb00929.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7342930/},
  note = {Source identifier: 7342930}
}