Fig. 1. Concentrations of ascorbic acid (milligrams ASC per total protein) in mononuclear leukocytes from individuals with insulin-dependent diabetes mellitus and from nondiabetic individuals. Bar graphs show mean and SEM for these groups (p<0.02 by t-test) with individual concentrations depicted as circles (from reference 31) or triangles (unpublished data for subjects detailed in reference 22).

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