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The effect of low-dose warfarin on the risk of stroke in patients with nonrheumatic atrial fibrillation.
Boston Area Anticoagulation Trial for Atrial Fibrillation Investigators; Singer DE, Hughes RA, Gress DR, Sheehan MA, Oertel LB, Maraventano SW, Blewett DR, Rosner B, Kistler JP. Boston Area Anticoagulation Trial for Atrial Fibrillation Investigators, et al. Among authors: maraventano sw. N Engl J Med. 1990 Nov 29;323(22):1505-11. doi: 10.1056/NEJM199011293232201. N Engl J Med. 1990. PMID: 2233931 Free article. Clinical Trial.