RT Journal Article SR Electronic T1 A combination of tests done in general practice could assess the risk for left ventricular systolic dysfunction JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 185 OP 185 DO 10.1136/ebm.5.6.185 VO 5 IS 6 YR 2000 UL http://ebm.bmj.com/content/5/6/185.abstract AB