EVALUATION OF THE RESULTS OF CEMENTLESS TOTAL HIP ARTHROPLASTY IN PATIENTS WITH STAGES IV, V AND VI OSTEONECROSIS OF THE FEMORAL HEAD. YHCĐ [Internet]. 2020 Nov. 5 [cited 2026 Sept. 9];62(1 (2021). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/6