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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Feb;62(2):303–318. doi: 10.1109/TUFFC.2014.006629

Fig. 6.

Fig. 6

BSC versus frequency for (a) CHO, (b) MAT, and (c) 4T1 cell pellet biophantoms measured using three transducers with center frequencies at 20, 40, and 80 MHz, respectively. The B-spline curve is also displayed for each concentration.