title: Letter by Spiegel et al regarding article, "net clinical benefit of warfarin in patients with atrial fibrillation: a report from the Swedish atrial fibrillation cohort study".
authors.forename: Rainer
authors.initials: R
authors.lastname: Spiegel
authors.forename: Tobias
authors.initials: T
authors.lastname: Lorenz
authors.forename: Patrick
authors.initials: P
authors.lastname: Konietzny
mesh_terms: D000925:Anticoagulants / Q000008:administration & dosage*; D001281:Atrial Fibrillation / Q000188:drug therapy* / Q000401:mortality*; D002543:Cerebral Hemorrhage / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male; D020521:Stroke / Q000401:mortality*; D014859:Warfarin / Q000008:administration & dosage*
chemical_list: D000925:Anticoagulants; D014859:Warfarin