To investigate the effect of neck-shaft angle in surgical hip dislocation combined with femoral neck rotational osteotomy in the treatment of osteonecrosis of the femoral head and to combine with finite element analysis - Jiahao, Sun; Bowen, Ma; Chiyu, Zhang; Tianwei, Xia; Jirong, Shen; Chao, Zhang (Frontiers in Bioengineering and Biotechnology, 2025)