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Zhu YT, Hayashida Y, Kheirkhah A, He H, Chen SY, Tseng SC.Zhu YT, et al. Among authors: chen sy.Invest Ophthalmol Vis Sci. 2008 Sep;49(9):3879-86. doi: 10.1167/iovs.08-1693. Epub 2008 May 23.Invest Ophthalmol Vis Sci. 2008.PMID: 18502989Free PMC article.