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. Author manuscript; available in PMC: 2014 Sep 26.
Published in final edited form as: Drug Chem Toxicol. 2012 May 27;36(2):155–162. doi: 10.3109/01480545.2012.660947

Figure 3.

Figure 3

Effects of different doses of either Ni2+ or Cu2+ on GSH levels in U937 cells after incubation at 37°C for 24 hours. For statistical significance denoted by dots or asterisks and definitions of the x-axis labels, see legend to Figure 1.