Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Meta-analysis of trials comparing warfarin with placebo in reducing the risk of thromboembolism in patients with atrial fibrillation AFASAK=Copenhagen atrial fibrillation, aspirin, and anticoagulation study; BAATAF=Boston area anticoagulation trial for atrial fibrillation; CAFA=Canadian atrial fibrillation anticoagulation study; EAFT=European atrial fibrillation trial; SPAF=Stroke prevention in atrial fibrillation study; SPINAF=Stroke prevention in non-rheumatic atrial fibrillation
