RT Journal Article SR Electronic T1 Patients with heart failure who require an implantable defibrillator should have cardiac resynchronisation routinely JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 963 OP 966 DO 10.1136/hrt.2008.143594 VO 94 IS 8 A1 John G F Cleland A1 Ahmed Tageldien A1 Nidal Maarouf A1 Neil Hobson YR 2008 UL http://heart.bmj.com/content/94/8/963.abstract AB