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Craig SE, Thummel R, Ahmed H, Vasta GR, Hyde DR, Hitchcock PF.Craig SE, et al. Among authors: thummel r.Invest Ophthalmol Vis Sci. 2010 Jun;51(6):3244-52. doi: 10.1167/iovs.09-4879. Epub 2010 Jan 13.Invest Ophthalmol Vis Sci. 2010.PMID: 20071673Free PMC article.