F10 and atrial fibrillation: (("Treatment Outcome"[Mesh] OR Efficacy[tw] OR Efficacious[tw] OR Efficac*[tw] AND "Toxicity" [Subheading] AND "Factor Xa Inhibitors"[Mesh] ) OR (oral anticoagulants)) OR (stop* clot formation) AND "Atrial Fibrillation/drug therapy"[Mesh]