Swanenburg J, Koch P, Meier N, Wirth B. 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 Med Wkly [Internet]. 2014 Jun. 1 [cited 2024 Aug. 21];144(2324):w13976. Available from: https://smw.ch/index.php/smw/article/view/1875