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Xu D, Yuan A, Kaiser PK, Srivastava SK, Singh RP, Sears JE, Martin DF, Ehlers JP.Xu D, et al. Among authors: singh rp.Invest Ophthalmol Vis Sci. 2013 Jan 7;54(1):163-9. doi: 10.1167/iovs.12-10246.Invest Ophthalmol Vis Sci. 2013.PMID: 23221077