The coupling wear showed a trend to increase with the degradation of the polyethylene inlay, as can be seen in Figure 7 c; the Spearman’s rank-order correlation coefficient r s amounted to 0.49 ( p < 0.01).
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Retrieval Analysis of Modern Knee Tumor Megaendoprosthesis Shows Considerable Volumetric Metal Wear Generated at the Rotating Hinge.
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