RT Journal Article SR Electronic T1 Duchenne muscular dystrophy: how bad is the heart? JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 976 OP 977 DO 10.1136/hrt.2007.138461 VO 94 IS 8 A1 Elizabeth M McNally YR 2008 UL http://heart.bmj.com/content/94/8/976.abstract AB