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Simsek A, Ciftci S.Simsek A, et al. Among authors: ciftci s.Clin Ophthalmol. 2012;6:1931-4. doi: 10.2147/OPTH.S37614. Epub 2012 Nov 21.Clin Ophthalmol. 2012.PMID: 23204837Free PMC article.