RT Journal Article SR Electronic T1 Estimating prognosis in heart failure: time for a better approach JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 587 OP 588 DO 10.1136/heart.89.6.587 VO 89 IS 6 A1 Cowie, M R YR 2003 UL http://heart.bmj.com/content/89/6/587.abstract AB