Figure 4: Bar graph of the wall area of renal arteries with external diameters < 25 µm. *P<0.05 vs. C2. #P<0.05 vs. C15 by two-way ANOVA followed by multiple-comparison tests. C2, L2 and S2: control (C), L-NAME (L) and SHR (S) newborns at 2 post-natal days. C15, L15 and S15: control (C), L-NAME (L) and SHR (S) newborns at 15 post-natal days.