title: New guidelines for atrial fibrillation focus on stroke risk.
mesh_terms: D001241:Aspirin / Q000008:administration & dosage; D001281:Atrial Fibrillation / Q000188:drug therapy*; D005343:Fibrinolytic Agents / Q000008:administration & dosage; D006801:Humans; D017410:Practice Guidelines as Topic; D012307:Risk Factors; D020521:Stroke / Q000517:prevention & control*; D014859:Warfarin / Q000008:administration & dosage
chemical_list: D005343:Fibrinolytic Agents; D014859:Warfarin; D001241:Aspirin