RT Journal Article SR Electronic T1 Tricuspid valve surgery for severe tricuspid regurgitation JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 149 OP 150 DO 10.1136/heartjnl-2012-303063 VO 99 IS 3 A1 Ottavio Alfieri A1 Michele De Bonis YR 2013 UL http://heart.bmj.com/content/99/3/149.abstract AB