Abimanyu R, Ketaren AP, Nasution AN. Relationship Between Left Atrium Reservoir Strain and One-Year Mortality After Surgery in Patients with Severe Primary Mitral Regurgitation Undergoing Mitral Valve Replacement at Haji Adam Malik General Hospital, Medan. JSocMed [Internet]. 2025 Feb. 28 [cited 2025 Oct. 12];4(2):60-9. Available from: https://jsocmed.org/index.php/go/article/view/200