RT Journal Article SR Electronic T1 Right ventricular reverse remodelling after sildenafil in pulmonary arterial hypertension JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1860 OP 1861 DO 10.1136/hrt.2005.085118 VO 92 IS 12 A1 S A van Wolferen A1 A Boonstra A1 J T Marcus A1 K M J Marques A1 J G F Bronzwaer A1 P E Postmus A1 A Vonk-Noordegraaf YR 2006 UL http://heart.bmj.com/content/92/12/1860.abstract AB