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Ascorbic acid concentration and catalase, glutathione reductase and superoxide dismutase (SOD) in testicular homogenates following air exposure (AE) of control mice (open columns), and water-pipe smoke (WPS) exposure for 30 min/day for 6 months (filled columns). Each column and vertical bar represent the mean ± SEM (n = 10–11 mice in each group). P < 0.05 was considered significant.
