@misc{indiciaef1e7c9dca406, title = {Help for visually impaired.}, author = {N Barger and M Bernbaum and M Cleary and R A Petzinger and S Ponchillia and L Luxton}, doi = {10.1177/014572178801400603}, url = {https://pubmed.ncbi.nlm.nih.gov/3208633/}, note = {Source identifier: 3208633} }