PREVALENCE OF ANXIETY SYMPTOMS ACCORDING TO THE HADS-A SCALE AND ASSOCIATED FACTORS AMONG INPATIENTS IN THE INTERNAL MEDICINE DEPARTMENT OF THAI BINH MEDICAL UNIVERSITY HOSPITAL. YHCĐ [Internet]. 2026 July 26 [cited 2026 Sept. 9];67(7). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/5894