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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2011 Feb 10;58(6):1706–1714. doi: 10.1109/TBME.2011.2111419

Fig. 1.

Fig. 1

Experimental set up, where F is the indentation force, Δ is the indentation depth, a is the indenter radius, and h is the material thickness.