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Figure 2 Relationship between Eh GSH/GSSG tertiles and carotid IMT: unadjusted relationship between carotid IMT (mean ± SEM) and Eh GSH/GSSG tertiles (p = 0.005 for trend, and p = 0.004 highest vs. lowest EhGSH/GSSG tertiles, n = 38 in each group). Abbreviations as in Figure 1.