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Lenssen, Ton AF, Mike JA van Steyn, Yvonne HF Crijns, Eddie MH Waltjé, George M. Roox, Ruud JT Geesink, Piet A van den Brandt, und Rob A. De Bie. Effectiveness of Prolonged Use of Continuous Passive Motion (CPM), As an Adjunct to Physiotherapy, After Total Knee Arthroplasty. BioMed Central, 2008.

Lenssen, Ton AF, et al. Effectiveness of Prolonged Use of Continuous Passive Motion (CPM), As an Adjunct to Physiotherapy, After Total Knee Arthroplasty. BioMed Central, 2008.