RT Journal Article SR Electronic T1 Role of transoesophageal echocardiography in infective endocarditis JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 3 OP 4 DO 10.1136/heart.84.1.3 VO 84 IS 1 A1 FRANK A FLACHSKAMPF A1 WERNER G DANIEL YR 2000 UL http://heart.bmj.com/content/84/1/3.abstract AB