Obrant, Karl J., Karin Ringsberg, and Lennart Sanzén. “Decreased Abduction Strength After Charnley Hip Replacement Without Trochanteric Osteotomy”. Acta Orthopaedica 60, no. 3 (January 1, 1989): 305–307. Accessed April 22, 2026. https://actaorthop.org/actao/article/view/22597.