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. 2009 Aug 18;94(8):1040–1044. doi: 10.1136/bjo.2009.161299

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Mean grey value of the graft in comparison with peripheral, presumably healthy, retinal pigment epithelium. At last follow-up, the mean grey value was slightly reduced. The decrease in the overall mean grey value was not statistically significant (p=0.4941). The values are presented as mean±SD.