RT Journal Article SR Electronic T1 Coronary CT angiography decreases the length of stay in emergency department versus standard therapy in patients presenting with acute chest pain, but results in increased downstream testing and radiation exposure JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 146 OP 147 DO 10.1136/eb-2012-101011 VO 18 IS 4 A1 James K Min A1 Reza Arsanjani YR 2013 UL http://ebm.bmj.com/content/18/4/146.abstract AB