RT Journal Article SR Electronic T1 “Sea anemones” on a degenerated bicuspid aortic valve JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 853 OP 853 DO 10.1136/hrt.2004.052142 VO 91 IS 7 A1 A C van der Wal A1 J J Kloek YR 2005 UL http://heart.bmj.com/content/91/7/853.abstract AB