We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleOral anticoagulants vs aspirin in nonvalvular atrial fibrillation: an individual patient meta-analysis.Authorsvan Walraven, Carl; Hart, Robert G; Singer, Daniel E; Laupacis, Andreas; Connolly, Stuart; Petersen, Palle; Koudstaal, Peter J; Chang, Yuchiao; Hellemons, BeppieAbstractPatients with nonvalvular atrial fibrillation (AF) have an increased risk of stroke and other vascular events.PublicationJAMA, 2002, Vol 288, Issue 19, p2441ISSN0098-7484Publication typeJournal ArticleDOI10.1001/jama.288.19.2441