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Ex vivo pull out measurements. (A) Schematic of the customized holder containing a cornea-rod assembly. (B) Image of the customized holder within a universal (mechanical) testing machine. (C) Force required to pull rods of various materials from porcine corneas. * and # indicate P < 0.05 (by ANOVA with Tukey's test) in comparison to plain PMMA and smooth Ti, respectively. Data are means ± SD (N = 4).
