FACTORS RELATED OF MOTOR-COGNITIVE DUAL-TASK INTERVENTION ON TREADMILL IN PARKINSON’S DISEASE PATIENTS AT THE NATIONAL GERIATRIC HOSPITAL. YHCĐ [Internet]. 2026 June 16 [cited 2026 Sept. 8];67(CĐ6-NCKH). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/5323