Kurniawan, Debby. 2020. “Relations of Left Atrial Appendage Emptying Flow Velocity to Left Atrial Appendage Thrombus in Mitral Stenosis Patients by Transesophageal Echocardiography Examination”. ARKAVI [Arsip Kardiovaskular Indonesia] 4 (2):252-56. https://doi.org/10.22236/arkavi.v4i2.5547.