Warfarin therapy for elderly persons with atrial fibrillation.
Wieman
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HM
D000367:Age Factors; D000368:Aged; D000925:Anticoagulants / Q000008:administration & dosage*; D001281:Atrial Fibrillation / Q000150:complications / Q000188:drug therapy*; D004334:Drug Administration Schedule; D006801:Humans; D019934:International Normalized Ratio; D014859:Warfarin / Q000008:administration & dosage*
D000925:Anticoagulants; D014859:Warfarin