S. Hasan, P. J. . Marang-van de Mheen, B. L. Kaptein, R. G. H. H. Nelissen, and S. . Toksvig-Larsen, “All-polyethylene versus metal-backed posterior stabilized total knee arthroplasty: similar 2-year results of a randomized radiostereometric analysis study ”, ActaO, vol. 90, no. 6, pp. 590–595, Sep. 2019.