Fig. 4From: In vivo evidence of ascorbate involvement in the generation of epigenetic DNA modifications in leukocytes from patients with colorectal carcinoma, benign adenoma and inflammatory bowel diseaseSelected, statistically significant associations between plasma concentration of ascorbate and the levels of 5-hmdC (a) and 5-hmdU (b). Complete correlation matrix is presented in Additional file 1: Figures S2–S6Back to article page