Pathophysiologic Correlates of Thromboembolism in Nonvalvular Atrial Fibrillation: I. Reduced Flow Velocity in the Left Atrial Appendage (The Stroke Prevention in Atrial Fibrillation [SPAF-III] Study)Martin E. Goldman, Jonathan L. Halperin, Richard Asinger et al.|Journal of the American Society of Echocardiography|1999Cited by 364
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