RT Journal Article SR Electronic T1 Consider a CT angiogram before invasive coronary angiogram in patients with NSTEMI JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP e12 OP e12 DO 10.1136/bmjebm-2020-111402 VO 26 IS 6 A1 Jack O'Sullivan YR 2021 UL http://ebm.bmj.com/content/26/6/e12.abstract AB