RT Journal Article SR Electronic T1 Persistent left sided superior vena cava JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1046 OP 1046 DO 10.1136/hrt.2005.077081 VO 92 IS 8 A1 Ho, K L A1 Tan, J L YR 2006 UL http://heart.bmj.com/content/92/8/1046.abstract AB