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Barry MP, Dagnelie G; Argus II Study Group.Barry MP, et al.Invest Ophthalmol Vis Sci. 2012 Aug 1;53(9):5095-101. doi: 10.1167/iovs.12-9536.Invest Ophthalmol Vis Sci. 2012.PMID: 22661464Free PMC article.Clinical Trial.