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Temporal expression of NADPH oxidase (Nox) mRNA in rat mesenteric collateral artery. Changes in collateral artery Nox mRNA subunit expression at 1, 3, and 7 days were determined compared with same animal control arteries and expressed as a collateral-to-control ratio (*, +, #: P < 0.05 vs. control, 1 day, 3 day, respectively; n = 4–6).
