RT Journal Article SR Electronic T1 Giant unruptured Sinus of Valsalva aneurysm: an unusual cause of aortic regurgitation JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 972 OP 972 DO 10.1136/heartjnl-2013-303758 VO 99 IS 13 A1 Malgorzata Lutaaya A1 Rajinikanth Rajagopal A1 Ranjit S More YR 2013 UL http://heart.bmj.com/content/99/13/972.2.abstract AB