RT Journal Article SR Electronic T1 Role of DNA testing for diagnosis, management, and genetic screening in long QT syndrome, hypertrophic cardiomyopathy, and Marfan syndrome JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 12 OP 14 DO 10.1136/hrt.86.1.12 VO 86 IS 1 A1 VINCENT, G MICHAEL YR 2001 UL http://heart.bmj.com/content/86/1/12.abstract AB