title: The CHADS2 score for stroke risk stratification in atrial fibrillation--friend or foe?
authors.affiliation: All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India. karthik2010@gmail.com
authors.forename: G
authors.initials: G
authors.lastname: Karthikeyan
authors.forename: J W
authors.initials: JW
authors.lastname: Eikelboom
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000188:drug therapy* / Q000453:epidemiology* / Q000473:pathology / Q000503:physiopathology; D006470:Hemorrhage / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D017891:Pharmacoepidemiology; D012107:Research Design; D018570:Risk Assessment; D020521:Stroke / Q000517:prevention & control; D014859:Warfarin / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D000925:Anticoagulants; D014859:Warfarin