Gränicher, Pascale, Thomas Stöggl, Sandro F. Fucentese, Rolf Adelsberger, and Jaap Swanenburg. 2020. “Preoperative Exercise in Patients Undergoing Total Knee Arthroplasty: A Pilot Randomized Controlled Trial”. Archives of Physiotherapy 10 (1). https://doi.org/10.1186/s40945-020-00085-9.