Swanenburg, J., Koch, P., Meier, N. and Wirth, B. 2014. Function and activity in patients with knee arthroplasty: validity and reliability of a German version of the Lysholm Score and the Tegner Activity Scale. Swiss Medical Weekly. 144, 2324 (Jun. 2014), w13976. DOI:https://doi.org/10.4414/smw.2014.13976.