Münger, P., Röder, C., Ackermann-Liebrich, U., & Busato, A. (2006). Patient-related risk factors leading to aseptic stem loosening in total hip arthroplasty: A case-control study of 5,035 patients. Acta Orthopaedica, 77(4), 567–574. https://doi.org/10.1080/17453670610012629