RT Journal Article SR Electronic T1 Identifying long QT syndrome using genotypic-phenotypic correlations is a life saver JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 964 OP 964 DO 10.1136/heart.89.9.964 VO 89 IS 9 YR 2003 UL http://heart.bmj.com/content/89/9/964.abstract AB