“4. VENOUS CONGESTION ASSESSMENT AFTER OPEN-HEART SURGERY USING THE VENOUS EXCESS ULTRASOUND SCORE”. Vietnam Journal of Community Medicine 66, no. CĐ13- HNKH Gây mê Hồi sức (September 25, 2025). Accessed September 9, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/3170.