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The level of reduced glutathione (GSH) in the control erythrocytes and the ones incubated with BPA, hydroquinone, phenol and 4-isopropylphenol in the concentration range 5–200 µg/mL after 4 h (A) and 24 h (B) of incubation. The data are presented as the means ± SE. * the effects of compounds were statistically significant.
