RT Journal Article SR Electronic T1 Cardiac function and obesity JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1127 OP 1129 DO 10.1136/heart.89.10.1127 VO 89 IS 10 A1 Vasan, R S YR 2003 UL http://heart.bmj.com/content/89/10/1127.abstract AB