Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOUDSTALL P. J.,Secondary prevention in non-rheumatic atrial fibrillation after transient ischemic attack or minor stroke,Lancet,,,1993,342,,1255-1262,https://cir.nii.ac.jp/crid/1572261549583577344,