ECHOCARDIOGRAPHIC CHARACTERISTICS OF RIGHT VENTRICULAR FUNCTION PARAMETERS IN HEART FAILURE PATIENTS AT THE DEPARTMENT OF CARDIOLOGY, BAI CHAY HOSPITAL IN 2025. YHCĐ [Internet]. 2026 Apr. 25 [cited 2026 Sept. 9];67(4). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/4878