RT Journal Article SR Electronic T1 Submitral aneurysm: unusual echocardiographic features JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 552 OP 552 DO 10.1136/heart.89.5.552 VO 89 IS 5 A1 A Mohanty A1 A Saxena YR 2003 UL http://heart.bmj.com/content/89/5/552.abstract AB