%0 Journal Article %K Female %K Humans %K Male %K Stroke %K Aged, 80 and over %K Randomized Controlled Trials as Topic %K Atrial Fibrillation %B Stroke %D 2018 %G eng %N 3 %P 796-802 %R 10.1161/STROKEAHA.117.017952 %T Stroke Prevention in the Very Elderly. %V 49 %1 https://www.ncbi.nlm.nih.gov/pubmed/29371430?dopt=Abstract