au.\*:("OHARA, Kazumasa")
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Chronic Kidney Disease and CHADS2 Score Independently Predict Cardiovascular Events and Mortality in Patients With Nonvalvular Atrial FibrillationNAKAGAWA, Keiko; HIRAI, Tadakazu; INOUE, Hiroshi et al.The American journal of cardiology. 2011, Vol 107, Num 6, pp 912-916, issn 0002-9149, 5 p.Article
Relation of left atrial blood stasis to clinical risk factors in atrial fibrillationOHARA, Kazumasa; HIRAI, Tadakazu; FUKUDA, Nobuyuki et al.International journal of cardiology. 2009, Vol 132, Num 2, pp 210-215, issn 0167-5273, 6 p.Article
Relation of the severity of mitral regurgitation to thromboembolic risk in patients with atrial fibrillationFUKUDA, Nobuyuki; HIRAI, Tadakazu; OHARA, Kazumasa et al.International journal of cardiology. 2011, Vol 146, Num 2, pp 197-201, issn 0167-5273, 5 p.Article
Accumulation of risk factors enhances the prothrombotic state in atrial fibrillation. CommentaryWATSON, Timothy; LIP, Gregory Y. H; HAYANO, Motonobu et al.International journal of cardiology. 2008, Vol 126, Num 3, issn 0167-5273, 299-301, 316-321 [9 p.]Article