Nguyen, D. H. and Nguyen, T. T. (2026) “Assessment of left ventricular global longitudinal strain in patients with severe aortic valve stenosis before and after surgery using 2d speckle-tracking echocardiography”, The Vietnam Journal of Cardiovascular and Thoracic Surgery, 54, pp. 116 - 132. doi: 10.47972/vjcts.v54i.1644.