Pulmonary arterial hypertension in adults: novel drugs and catheter ablation techniques show promise? Systematic review on pharmacotherapy and interventional strategies.

Biomed Res Int · 2014 · PMC4072027 · PMID 25013799

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did not reach statistical significanceno p-value reported

Reduction in pulmonary vascular resistance was greater with combination therapy, although it did not reach statistical significance.

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