title: New knowledge, old patients.
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000150:complications*; D000075202:Contraindications; D006801:Humans; D013923:Thromboembolism / Q000209:etiology / Q000517:prevention & control*; D014859:Warfarin / Q000627:therapeutic use*
chemical_list: D000925:Anticoagulants; D014859:Warfarin