RT Journal Article SR Electronic T1 NSAIDs increase bleeding risk in patients with atrial fibrillation on antithrombotic therapy JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 188 OP 188 DO 10.1136/ebmed-2015-110246 VO 20 IS 5 A1 Emer R McGrath YR 2015 UL http://ebm.bmj.com/content/20/5/188.abstract AB