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Figure 3 Greater Decline in PVR by SIL ± BNP in Animals With Heart Failure Versus Control Animals

Bar graphs showing the change in pulmonary vascular resistance (PVR) in response to B-type natriuretic peptide (BNP), sildenafil (SIL), or the combination of SIL + BNP in non-failing (normal; solid bars) and failing (heart failure; hatched bars) dogs. *p < 0.05 versus baseline values.