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Renal fibrosis markers in the preconception period. (A) Collagen IV protein expression by immunohistochemistry. (B) Fibrinogen protein expression by immunohistochemistry. N = 8 per group, results expressed as mean ± SEM, *P < 0.05, **P < 0.005 ***P < 0.0005 ****P < 0.0001. P value for ANOVA. (scale bar = 100 μm).
