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Intrahepatic tumor necrosis factor (TNF-a) levels in mice 6 hours after gastric administration of ethanol. Con, control; EtOH, ethanol; Zn, zinc; Zn+EtOH, zinc and ethanol. Data are mean ± SD values (n = 5 to 8). Groups that do not share the same letter are significantly different from each other (P < 0.05).
