title: Warfarin can be safe and effective in the extreme elderly.
authors.forename: S
authors.initials: S
authors.lastname: Khan
authors.forename: K
authors.initials: K
authors.lastname: Myers
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000925:Anticoagulants / Q000008:administration & dosage* / Q000009:adverse effects; D001281:Atrial Fibrillation / Q000188:drug therapy*; D005260:Female; D006801:Humans; D019934:International Normalized Ratio; D008297:Male; D016896:Treatment Outcome; D014859:Warfarin / Q000008:administration & dosage* / Q000009:adverse effects
chemical_list: D000925:Anticoagulants; D014859:Warfarin