NGUYỄN , Thanh Huân; NGUYỄN , Thị Mai Hương; NGUYỄN , Quang Huy. A PRELIMINARY SURVEY OF BARRIERS FACED BY CARDIOLOGISTS IN THE DIAGNOSIS AND MANAGEMENT OF HEART FAILURE WITH PRESERVED EJECTION FRACTION IN OLDER ADULTS. Vietnam Medical Journal, [S. l.], v. 561, n. 1, 2026. DOI: 10.51298/vmj.v561i1.18125. Disponível em: https://tapchiyhocvietnam.vn/index.php/vmj/article/view/18125. Acesso em: 18 jul. 2026.