RT Journal Article SR Electronic T1 Stroke prevention in atrial fibrillation: better use of anticoagulation and new agents will lead to improved outcomes JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 95 OP 97 DO 10.1136/hrt.2008.157248 VO 95 IS 2 A1 Robby Nieuwlaat A1 Stuart J Connolly YR 2009 UL http://heart.bmj.com/content/95/2/95.abstract AB