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Velikay-Parel M, Kiss CG, Ivastinovic D, Richter-Mueksch S.Velikay-Parel M, et al.Acta Ophthalmol. 2011 Nov;89(7):629-33. doi: 10.1111/j.1755-3768.2009.01763.x. Epub 2010 Feb 12.Acta Ophthalmol. 2011.PMID: 20156201Free article.