NGUYỄN , Ngọc Hoành Mỹ Tiên; HỒ , Thị Thủy Tùng; NGUYỄN , Thị Hoàng Quỳnh; THÂN , Hà Ngọc Thể. EVALUATING SLEEP QUALITY AMONG ELDERLY AT TWO CARDIOLOGY OUTPATIENT CLINICS OF THONG NHAT HOSPITAL, HO CHI MINH CITY. Vietnam Medical Journal, [S. l.], v. 562, n. 3, 2026. DOI: 10.51298/vmj.v562i3.18469. Disponível em: https://tapchiyhocvietnam.vn/index.php/vmj/article/view/18469. Acesso em: 10 sep. 2026.