RT Journal Article SR Electronic T1 Transoesophageal echocardiography for the identification of a giant aortic thrombus JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 778 OP 778 DO 10.1136/hrt.2004.050716 VO 91 IS 6 A1 I H Mirza A1 A R J Mitchell A1 J Timperley YR 2005 UL http://heart.bmj.com/content/91/6/778.abstract AB