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a) Representative CECT color maps of femoral groove plugs subjected to long-duration torsional friction testing in Study 1 using saline, BSF, and 2.8M TEG. b) Percent increase in cartilage surface roughness following long-duration torsional friction testing in three lubricants (n=4 each) during Study 1. 2.8M TEG vs Saline (p<0.05). Error bars indicate standard deviation.
