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 C; Hart RG; Singer DE; Laupacis A; Connolly S; Petersen P; Koudstaal PJ; Chang Y; Hellemons BPublicationJAMA, 2002, Vol 288, Issue 19, p2441ISSN0098-7484Publication typearticleDOI10.1001/jama.288.19.2441