title: Atrial fibrillation: a spectrum of risk with a uniform treatment effect of novel anticoagulants?
authors.forename: Kenneth W
authors.initials: KW
authors.lastname: Mahaffey
authors.forename: Robert M
authors.initials: RM
authors.lastname: Califf
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D011720:Pyrazoles / Q000627:therapeutic use*; D011728:Pyridones / Q000627:therapeutic use*; D020521:Stroke / Q000517:prevention & control*; D014859:Warfarin / Q000627:therapeutic use*
chemical_list: D000925:Anticoagulants; D011720:Pyrazoles; D011728:Pyridones; C522181:apixaban; D014859:Warfarin