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Figure 3 Correlation Analyses
Correlation analyses between brachial artery flow-mediated dilatation (FMD) and the ergoreflex component of the ventilatory response to handgrip at baseline in the placebo group (solid triangles) and in the sildenafil group (open triangles) as well as between changes of the 2 variables at 3- (open circles) and 6-month (solid circles) treatment. VE = ventilation.
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