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Figure 5 Expression of endothelial nitric oxide (eNOS) in normal and failing hearts. (A) Expression of eNOS in normal and failing human hearts was analyzed by Western blotting. Equal amounts of protein (50 µg/lane) were run on the gel, and eNOS was quantitated as described in the Methods section. **p = 0.001 for idiopathic dilated cardiomyopathy (IDC) vs. normal and p = 0.002 for coronary heart disease (CHD) vs. normal. OD = optical density.
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