Surgical options for Evans-Jensen type IV intertrochanteric femur fractures in the elderly over 65: a comparison between total hip arthroplasty and proximal femoral nail antirotation - Sun, Ming; Liang, Hai-Rui; Zhang, He; Bai, Tong; Xu, Rong-Da; Duan, Si-Yu; Cai, Zhen-Cun (Frontiers in Surgery, 2025)