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Effect of H2O2 on the cell viability of feline EECs. Serum-starved EECs were incubated with H2O2 for 24 hours at the indicated concentration. The cell viability was estimated using MTT assay. Data are expressed as means ± S.E of three experiments (Student's t-test; *P < 0.05 versus control; **P < 0.001 versus control).
