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Retinitis pigmentosa
http://www.sciencedirect.com/science/article/pii/S1350946216300908

http://www.sciencedirect.com/science/article/pii/S0968000415001267

http://link.springer.com/chapter/10.1007%2F978-1-4614-3209-8_15

http://link.springer.com/chapter/10.1007%2F978-1-4614-0631-0_77

https://www.ncbi.nlm.nih.gov/pubmed/20349192