RT Journal Article SR Electronic T1 A subtle sign of aortic outflow obstruction in an infected 29 year old Starr-Edward's valve JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 384 OP 384 DO 10.1136/heart.85.4.384 VO 85 IS 4 A1 E F AKOWUAH A1 C V P ONYEAKA A1 G J COOPER YR 2001 UL http://heart.bmj.com/content/85/4/384.abstract AB