19. THE RETROSPECTIVE ANALYSIS OF TRIGEN INTERTAN NAIL IN THE TREATMENT OF UNSTABLE INTERTROCHANTERIC FEMORAL FRACTURES AT HOSPITAL FOR TRAUMATOLOGY AND ORTHOPAEDICS. YHCĐ [Internet]. 2023 Aug. 23 [cited 2026 Sept. 9];64(5). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/776