RT Journal Article SR Electronic T1 Cardiovascular risks of stopping antiplatelet therapy before non-cardiac surgery for patients with coronary stents JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 122 OP 123 DO 10.1136/ebmed.2011.100381 VO 17 IS 4 A1 Maddox, Thomas M YR 2012 UL http://ebm.bmj.com/content/17/4/122.abstract AB