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Bispo PJ, de Melo GB, Hofling-Lima AL, Pignatari AC.Bispo PJ, et al.Invest Ophthalmol Vis Sci. 2011 Feb 22;52(2):873-81. doi: 10.1167/iovs.10-5712.Invest Ophthalmol Vis Sci. 2011.PMID: 20702819