Screw-blade fixation systems for implant anchorage in the femoral head: Horizontal blade orientation provides superior stability

Schopper, C; Keck, K; Zderic, I; Migliorini, F; Link, Bc; Beeres, Fjp; Babst, R; Nebelung, S; Eschbach, D; Knauf, T; Ganse, B; Schoeneberg, C; Hildebrand, F; Gueorguiev, B; Knobe, M