Alho, Antti, Odd Søreide, and Arthur J. Bjersand. “Mechanical Factors in Loosening of Christiansen and Charnley Arthroplasties”. Acta Orthopaedica 55, no. 3 (January 1, 1984): 261–266. Accessed July 24, 2026. https://actaorthop.org/actao/article/view/23373.