Nguyễn TH, Nguyễn TMH, Nguyễn QH. BURDEN OF DEPRESSION IN OLDER OUTPATIENTS HAVING HEART FAILURE WITH REDUCED EJECTION FRACTION. VMJ [Internet]. 2025 Nov. 4 [cited 2026 Sep. 14];555(2). Available from: https://tapchiyhocvietnam.vn/index.php/vmj/article/view/16012