RT Journal Article SR Electronic T1 Review: Echocardiography, SPECT, and immediate angiography are cost-effective for detecting CAD JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 156 OP 156 DO 10.1136/ebm.1999.4.156 VO 4 IS 5 YR 1999 UL http://ebm.bmj.com/content/4/5/156.abstract AB