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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2018 Mar;26(3):594–601. doi: 10.1109/TNSRE.2018.2800702

Fig. 1.

Fig. 1

Illustration of the effects of vertical loading forces on the acoustic emissions resulting from increased biomechanical stress on the internal surfaces in the knee.