title: Warfarin increases stroke risk in atrial fibrillation.
authors.forename: Andros
authors.initials: A
authors.lastname: Tofield
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000925:Anticoagulants / Q000009:adverse effects*; D001281:Atrial Fibrillation / Q000188:drug therapy*; D006801:Humans; D008875:Middle Aged; D012307:Risk Factors; D020521:Stroke / Q000139:chemically induced*; D014859:Warfarin / Q000009:adverse effects*; D055815:Young Adult
chemical_list: D000925:Anticoagulants; D014859:Warfarin