RT Journal Article SR Electronic T1 Screening for potentially fatal heart disease in children and teenagers JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 2040 OP 2046 DO 10.1136/hrt.2009.172858 VO 95 IS 24 A1 Christopher Wren YR 2009 UL http://heart.bmj.com/content/95/24/2040.abstract AB