9Benavente O,art R,oudstaal P,t al. Antiplatelet therapy for preventing stroke in patients with non-valvular atrial fibrillation and no previous history of stroke or transient ischemic attacks (Cochrane Review). In:The Cochrane library[CD]. Issue 4. Oxford
10Segal JB,cNamara RL,iller MR,t al. Anticoagulants or antiplatelet therapy for non-rheumatic atrial fibrillation and flutter (Cochrane Review). In:The Cochrane library[CD]. Issue 4. Oxford:Update Software,2001.