Real-time three-dimensional transesophageal echocardiography of the left atrial appendage: initial experience in the clinical setting.
Shah SJ, Bardo DM, Sugeng L, Weinert L, Lodato JA, Knight BP, Lopez JJ, Lang RM. Real-time three-dimensional transesophageal echocardiography of the left atrial appendage: initial experience in the clinical setting. J Am Soc Echocardiogr. 2008 Dec; 21(12):1362-8.