Meijerink, H. J., Verdonschot, N., van Loon, C. J., Hannink, G., & de WaalMalefijt, M. C. (2011). Similar TKA designs with differences in clinical outcome. Acta Orthopaedica, 82(6), 685–691. https://doi.org/10.3109/17453674.2011.636677