RT Journal Article SR Electronic T1 Surgical resection of an asymptomatic aortic valve papillary fibroelastoma in a young man JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 578 OP 578 DO 10.1136/heart.84.6.578 VO 84 IS 6 A1 CLARKE, N R A A1 ROSKELL, D A1 BANNING, A P YR 2000 UL http://heart.bmj.com/content/84/6/578.abstract AB