@misc{indiciae13001aed1341,
  title = {Usher's syndrome.},
  author = {S Samuelson and J Zahn},
  year = {1990},
  doi = {10.3109/13816819009012950},
  url = {https://pubmed.ncbi.nlm.nih.gov/2190135/},
  note = {Source identifier: 2190135}
}