Cited 31 times since 2006 (1.8 per year) source: EuropePMC Heart (British Cardiac Society), Volume 92, Issue 12, 1 1 2006, Pages 1860-1861 Right ventricular reverse remodelling after sildenafil in pulmonary arterial hypertension. van Wolferen SA, Boonstra A, Marcus JT, Marques KM, Bronzwaer JG, Postmus PE, Vonk-Noordegraaf A