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Figure 4 Expression of Nox Isoforms by Real-Time Polymerase Chain Reaction in Human Saphenous Veins From Patients With and Without Heart Failure

(A) Nox2 expression; (B) Nox4 expression; (C) p47phox expression; (D) p67phox expression. *p < 0.05 by unpaired Student t test. mRNA = messenger ribonucleic acid; Nox = nicotinamide adenine dinucleotide phosphate oxidase.