OBJECTIVES : To determine the incidence of major hemorrhage and stroke in people aged 76 and older with atrial fibrillation on adjusted-dose warfarin who had been recently been admitted to hospital .
O O O O O O O O B-DiseaseOrPhenotypicFeature O B-DiseaseOrPhenotypicFeature O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O B-ChemicalEntity O O O O O O O O O