Niemeläinen, M. J., Mäkelä, K. T., Robertsson, O., Dahl, A. W.-., Furnes, O., Fenstad, A. M., … Eskelinen, A. (2020). The effect of fixation type on the survivorship of contemporary total knee arthroplasty in patients younger than 65 years of age: a register- based study of 115,177 knees in the Nordic Arthroplasty Register Association (NARA) 2000–2016. Acta Orthopaedica, 91(2), 184–190. https://doi.org/10.1080/17453674.2019.1710373