RT Journal Article SR Electronic T1 Confirmation of a role for the 389R>G β-1 adrenoceptor polymorphism on exercise capacity in heart failure JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1613 OP 1614 DO 10.1136/hrt.2004.047282 VO 91 IS 12 A1 Sandilands, A J A1 Parameshwar, J A1 Large, S A1 Brown, M J A1 O’Shaughnessy, K M YR 2005 UL http://heart.bmj.com/content/91/12/1613.abstract AB