RT Journal Article SR Electronic T1 The diagnosis of heart failure JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 334 OP 338 DO 10.1136/heart.84.3.334 VO 84 IS 3 A1 Allan D Struthers YR 2000 UL http://heart.bmj.com/content/84/3/334.abstract AB