RT Journal Article SR Electronic T1 Excessive pulmonary autograft dilatation causes important aortic regurgitation JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 933 OP 934 DO 10.1136/heart.89.8.933 VO 89 IS 8 A1 Hokken, R B A1 Takkenberg, J J M A1 van Herwerden, L A A1 Roelandt, J R T C A1 Bogers, A J J C YR 2003 UL http://heart.bmj.com/content/89/8/933.abstract AB