“A STUDY OF LEFT ATRIAL APPENDAGE FLOW BY DOPPLERTRANSESOPHAGEAL ECHOCARDIOGRAPHY IN PATIENTS WITHATRIAL SEPTAL DEFECT”, ANJS, vol. 12, no. 1, pp. 52–60, Mar. 2009, Accessed: Nov. 25, 2024. [Online]. Available: https://mail.anjs.edu.iq/index.php/anjs/article/view/1262