RT Journal Article SR Electronic T1 B-type natriuretic peptide: a treatment, not a diagnostic marker JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 542 OP 544 DO 10.1136/hrt.2007.118380 VO 94 IS 5 A1 Gabriel W Yip YR 2008 UL http://heart.bmj.com/content/94/5/542.abstract AB