AU - Singer DE, MD, Go AS, MD TI - A new era in stroke prevention for atrial fibrillation: Comment on “current trial-associated outcomes with warfarin in prevention of stroke in patients with nonvalvular atrial fibrillation PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {631-633}, VI - 172 IP - 8 AID - 10.1001/archinternmed.2012.897 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2012.897 SO - Archives of Internal Medicine April 23, 2012 172(8):631