Limb-Salvage Reconstruction of the Proximal Humerus Using Patient-Specific 3D-Printed PEEK Implants: A Midterm Clinical Study. - Thanh, Tran Duc; Huy, Le Duc; Trung, Nguyen Duc; Anh, Luong Nhat; Thang, Vu Duc; Phuc, Luu Huu; Hung, Le The; Nang, Vo Sy Quyen; Hieu, Pham Trung; Sang, Nguyen Tran Quang; Quang, Dang Minh; Dung, Tran Trung (Bioengineering (Basel), 2026)