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Effect of PTCA on the activities of antioxidant enzymes in the erythrocytes of male patients with SAP compared with the effect of diagnostic EC on the erythrocytes of male subjects (control group): (a) Cu–Zn SOD-1, (b) CAT, (c) cellular GSH-Px. Data are presented as the means ± S.E.M. *p < 0.05, before the procedure versus 14 days after the procedure, #p < 0.05, SAP patients versus control subjects.
