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. Author manuscript; available in PMC: 2006 Oct 1.
Published in final edited form as: J Nutr Biochem. 2005 Oct;16(10):617–624. doi: 10.1016/j.jnutbio.2005.03.006

Fig. 1.

Fig. 1.

Time course of glutathione reductase activity in HepG2 cells in response to transfer "from riboflavin-sufficient medium (532 nmol/L, day 0) to riboflavin-deficient medium (3.1 nmol/L). a,bBars not sharing the same letter are significantly different (P < 0.05; n = 4). Means ± SD are shown.